21024510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 58834944

約数和(自身を除く): 37810434

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 37, 39, 47, 62, 65, 74, 78, 93, 94, 111, 130, 141, 155, 185, 186, 195, 222, 235, 282, 310, 370, 390, 403, 465, 470, 481, 555, 611, 705, 806, 930, 962, 1110, 1147, 1209, 1222, 1410, 1443, 1457, 1739, 1833, 2015, 2294, 2405, 2418, 2886, 2914, 3055, 3441, 3478, 3666, 4030, 4371, 4810, 5217, 5735, 6045, 6110, 6882, 7215, 7285, 8695, 8742, 9165, 10434, 11470, 12090, 14430, 14570, 14911, 17205, 17390, 18330, 18941, 21855, 22607, 26085, 29822, 34410, 37882, 43710, 44733, 45214, 52170, 53909, 56823, 67821, 74555, 89466, 94705, 107818, 113035, 113646, 135642, 149110, 161727, 189410, 223665, 226070, 269545, 284115, 323454, 339105, 447330, 539090, 568230, 678210, 700817, 808635, 1401634, 1617270, 2102451, 3504085, 4204902, 7008170, 10512255, 21024510]

約数ペア:

[(1, 21024510), (2, 10512255), (3, 7008170), (5, 4204902), (6, 3504085), (10, 2102451), (13, 1617270), (15, 1401634), (26, 808635), (30, 700817), (31, 678210), (37, 568230), (39, 539090), (47, 447330), (62, 339105), (65, 323454), (74, 284115), (78, 269545), (93, 226070), (94, 223665), (111, 189410), (130, 161727), (141, 149110), (155, 135642), (185, 113646), (186, 113035), (195, 107818), (222, 94705), (235, 89466), (282, 74555), (310, 67821), (370, 56823), (390, 53909), (403, 52170), (465, 45214), (470, 44733), (481, 43710), (555, 37882), (611, 34410), (705, 29822), (806, 26085), (930, 22607), (962, 21855), (1110, 18941), (1147, 18330), (1209, 17390), (1222, 17205), (1410, 14911), (1443, 14570), (1457, 14430), (1739, 12090), (1833, 11470), (2015, 10434), (2294, 9165), (2405, 8742), (2418, 8695), (2886, 7285), (2914, 7215), (3055, 6882), (3441, 6110), (3478, 6045), (3666, 5735), (4030, 5217), (4371, 4810)]