21084030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 42506370

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, 229, 270, 279, 297, 310, 330, 341, 458, 465, 495, 558, 594, 682, 687, 837, 930, 990, 1023, 1145, 1374, 1395, 1485, 1674, 1705, 2046, 2061, 2290, 2519, 2790, 2970, 3069, 3410, 3435, 4122, 4185, 5038, 5115, 6138, 6183, 6870, 7099, 7557, 8370, 9207, 10230, 10305, 12366, 12595, 14198, 15114, 15345, 18414, 20610, 21297, 22671, 25190, 30690, 30915, 35495, 37785, 42594, 45342, 46035, 61830, 63891, 68013, 70990, 75570, 78089, 92070, 106485, 113355, 127782, 136026, 156178, 191673, 212970, 226710, 234267, 319455, 340065, 383346, 390445, 468534, 638910, 680130, 702801, 780890, 958365, 1171335, 1405602, 1916730, 2108403, 2342670, 3514005, 4216806, 7028010, 10542015, 21084030]

約数ペア:

[(1, 21084030), (2, 10542015), (3, 7028010), (5, 4216806), (6, 3514005), (9, 2342670), (10, 2108403), (11, 1916730), (15, 1405602), (18, 1171335), (22, 958365), (27, 780890), (30, 702801), (31, 680130), (33, 638910), (45, 468534), (54, 390445), (55, 383346), (62, 340065), (66, 319455), (90, 234267), (93, 226710), (99, 212970), (110, 191673), (135, 156178), (155, 136026), (165, 127782), (186, 113355), (198, 106485), (229, 92070), (270, 78089), (279, 75570), (297, 70990), (310, 68013), (330, 63891), (341, 61830), (458, 46035), (465, 45342), (495, 42594), (558, 37785), (594, 35495), (682, 30915), (687, 30690), (837, 25190), (930, 22671), (990, 21297), (1023, 20610), (1145, 18414), (1374, 15345), (1395, 15114), (1485, 14198), (1674, 12595), (1705, 12366), (2046, 10305), (2061, 10230), (2290, 9207), (2519, 8370), (2790, 7557), (2970, 7099), (3069, 6870), (3410, 6183), (3435, 6138), (4122, 5115), (4185, 5038)]