21087620730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{983}}^1$

素因数の和:1274

約数の個数: 256

約数和(自身を含む): 63661178880

約数和(自身を除く): 42573558150

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 198, 233, 270, 279, 297, 310, 330, 341, 465, 466, 495, 558, 594, 682, 699, 837, 930, 983, 990, 1023, 1165, 1395, 1398, 1485, 1674, 1705, 1966, 2046, 2097, 2330, 2563, 2790, 2949, 2970, 3069, 3410, 3495, 4185, 4194, 4915, 5115, 5126, 5898, 6138, 6291, 6990, 7223, 7689, 8370, 8847, 9207, 9830, 10230, 10485, 10813, 12582, 12815, 14446, 14745, 15345, 15378, 17694, 18414, 20970, 21626, 21669, 23067, 25630, 26541, 29490, 30473, 30690, 31455, 32439, 36115, 38445, 43338, 44235, 46035, 46134, 53082, 54065, 60946, 62910, 64878, 65007, 69201, 72230, 76890, 79453, 88470, 91419, 92070, 97317, 108130, 108345, 115335, 130014, 132705, 138402, 152365, 158906, 162195, 182838, 194634, 195021, 216690, 229039, 230670, 238359, 265410, 274257, 291951, 304730, 324390, 325035, 335203, 346005, 390042, 397265, 457095, 458078, 476718, 486585, 548514, 583902, 650070, 670406, 687117, 692010, 715077, 794530, 822771, 914190, 973170, 975105, 1005609, 1145195, 1191795, 1371285, 1374234, 1430154, 1459755, 1645542, 1676015, 1950210, 2011218, 2061351, 2145231, 2290390, 2383590, 2519429, 2742570, 2919510, 3016827, 3352030, 3435585, 3575385, 4113855, 4122702, 4290462, 5028045, 5038858, 6033654, 6184053, 6871170, 7100209, 7150770, 7558287, 8227710, 9050481, 10056090, 10306755, 10726155, 12368106, 12597145, 14200418, 15084135, 15116574, 18100962, 20613510, 21300627, 21452310, 22674861, 25194290, 30168270, 30920265, 35501045, 37791435, 42601254, 45252405, 45349722, 61840530, 63901881, 68024583, 71002090, 75582870, 78102299, 90504810, 106503135, 113374305, 127803762, 136049166, 156204598, 191705643, 213006270, 226748610, 234306897, 319509405, 340122915, 383411286, 390511495, 468613794, 639018810, 680245830, 702920691, 781022990, 958528215, 1171534485, 1405841382, 1917056430, 2108762073, 2343068970, 3514603455, 4217524146, 7029206910, 10543810365, 21087620730]

約数ペア:

[(1, 21087620730), (2, 10543810365), (3, 7029206910), (5, 4217524146), (6, 3514603455), (9, 2343068970), (10, 2108762073), (11, 1917056430), (15, 1405841382), (18, 1171534485), (22, 958528215), (27, 781022990), (30, 702920691), (31, 680245830), (33, 639018810), (45, 468613794), (54, 390511495), (55, 383411286), (62, 340122915), (66, 319509405), (90, 234306897), (93, 226748610), (99, 213006270), (110, 191705643), (135, 156204598), (155, 136049166), (165, 127803762), (186, 113374305), (198, 106503135), (233, 90504810), (270, 78102299), (279, 75582870), (297, 71002090), (310, 68024583), (330, 63901881), (341, 61840530), (465, 45349722), (466, 45252405), (495, 42601254), (558, 37791435), (594, 35501045), (682, 30920265), (699, 30168270), (837, 25194290), (930, 22674861), (983, 21452310), (990, 21300627), (1023, 20613510), (1165, 18100962), (1395, 15116574), (1398, 15084135), (1485, 14200418), (1674, 12597145), (1705, 12368106), (1966, 10726155), (2046, 10306755), (2097, 10056090), (2330, 9050481), (2563, 8227710), (2790, 7558287), (2949, 7150770), (2970, 7100209), (3069, 6871170), (3410, 6184053), (3495, 6033654), (4185, 5038858), (4194, 5028045), (4915, 4290462), (5115, 4122702), (5126, 4113855), (5898, 3575385), (6138, 3435585), (6291, 3352030), (6990, 3016827), (7223, 2919510), (7689, 2742570), (8370, 2519429), (8847, 2383590), (9207, 2290390), (9830, 2145231), (10230, 2061351), (10485, 2011218), (10813, 1950210), (12582, 1676015), (12815, 1645542), (14446, 1459755), (14745, 1430154), (15345, 1374234), (15378, 1371285), (17694, 1191795), (18414, 1145195), (20970, 1005609), (21626, 975105), (21669, 973170), (23067, 914190), (25630, 822771), (26541, 794530), (29490, 715077), (30473, 692010), (30690, 687117), (31455, 670406), (32439, 650070), (36115, 583902), (38445, 548514), (43338, 486585), (44235, 476718), (46035, 458078), (46134, 457095), (53082, 397265), (54065, 390042), (60946, 346005), (62910, 335203), (64878, 325035), (65007, 324390), (69201, 304730), (72230, 291951), (76890, 274257), (79453, 265410), (88470, 238359), (91419, 230670), (92070, 229039), (97317, 216690), (108130, 195021), (108345, 194634), (115335, 182838), (130014, 162195), (132705, 158906), (138402, 152365)]