21406922280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{100957}}^1$

素因数の和:101024

約数の個数: 192

約数和(自身を含む): 75597350400

約数和(自身を除く): 54190428120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 372, 380, 456, 465, 558, 570, 589, 620, 684, 744, 760, 855, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1710, 1767, 1860, 2232, 2280, 2356, 2790, 2945, 3420, 3534, 3720, 4712, 5301, 5580, 5890, 6840, 7068, 8835, 10602, 11160, 11780, 14136, 17670, 21204, 23560, 26505, 35340, 42408, 53010, 70680, 100957, 106020, 201914, 212040, 302871, 403828, 504785, 605742, 807656, 908613, 1009570, 1211484, 1514355, 1817226, 1918183, 2019140, 2422968, 3028710, 3129667, 3634452, 3836366, 4038280, 4543065, 5754549, 6057420, 6259334, 7268904, 7672732, 9086130, 9389001, 9590915, 11509098, 12114840, 12518668, 15345464, 15648335, 17263647, 18172260, 18778002, 19181830, 23018196, 25037336, 28167003, 28772745, 31296670, 34527294, 36344520, 37556004, 38363660, 46036392, 46945005, 56334006, 57545490, 59463673, 62593340, 69054588, 75112008, 76727320, 86318235, 93890010, 112668012, 115090980, 118927346, 125186680, 138109176, 140835015, 172636470, 178391019, 187780020, 225336024, 230181960, 237854692, 281670030, 297318365, 345272940, 356782038, 375560040, 475709384, 535173057, 563340060, 594636730, 690545880, 713564076, 891955095, 1070346114, 1126680120, 1189273460, 1427128152, 1783910190, 2140692228, 2378546920, 2675865285, 3567820380, 4281384456, 5351730570, 7135640760, 10703461140, 21406922280]

約数ペア:

[(1, 21406922280), (2, 10703461140), (3, 7135640760), (4, 5351730570), (5, 4281384456), (6, 3567820380), (8, 2675865285), (9, 2378546920), (10, 2140692228), (12, 1783910190), (15, 1427128152), (18, 1189273460), (19, 1126680120), (20, 1070346114), (24, 891955095), (30, 713564076), (31, 690545880), (36, 594636730), (38, 563340060), (40, 535173057), (45, 475709384), (57, 375560040), (60, 356782038), (62, 345272940), (72, 297318365), (76, 281670030), (90, 237854692), (93, 230181960), (95, 225336024), (114, 187780020), (120, 178391019), (124, 172636470), (152, 140835015), (155, 138109176), (171, 125186680), (180, 118927346), (186, 115090980), (190, 112668012), (228, 93890010), (248, 86318235), (279, 76727320), (285, 75112008), (310, 69054588), (342, 62593340), (360, 59463673), (372, 57545490), (380, 56334006), (456, 46945005), (465, 46036392), (558, 38363660), (570, 37556004), (589, 36344520), (620, 34527294), (684, 31296670), (744, 28772745), (760, 28167003), (855, 25037336), (930, 23018196), (1116, 19181830), (1140, 18778002), (1178, 18172260), (1240, 17263647), (1368, 15648335), (1395, 15345464), (1710, 12518668), (1767, 12114840), (1860, 11509098), (2232, 9590915), (2280, 9389001), (2356, 9086130), (2790, 7672732), (2945, 7268904), (3420, 6259334), (3534, 6057420), (3720, 5754549), (4712, 4543065), (5301, 4038280), (5580, 3836366), (5890, 3634452), (6840, 3129667), (7068, 3028710), (8835, 2422968), (10602, 2019140), (11160, 1918183), (11780, 1817226), (14136, 1514355), (17670, 1211484), (21204, 1009570), (23560, 908613), (26505, 807656), (35340, 605742), (42408, 504785), (53010, 403828), (70680, 302871), (100957, 212040), (106020, 201914)]