21551133812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{46867}}^1$

素因数の和:47160

約数の個数: 48

約数和(自身を含む): 41888743680

約数和(自身を除く): 20337609868

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 239, 478, 481, 956, 962, 1924, 3107, 6214, 8843, 12428, 17686, 35372, 46867, 93734, 114959, 187468, 229918, 459836, 609271, 1218542, 1734079, 2437084, 3468158, 6936316, 11201213, 22402426, 22543027, 44804852, 45086054, 90172108, 145615769, 291231538, 414444881, 582463076, 828889762, 1657779524, 5387783453, 10775566906, 21551133812]

約数ペア:

[(1, 21551133812), (2, 10775566906), (4, 5387783453), (13, 1657779524), (26, 828889762), (37, 582463076), (52, 414444881), (74, 291231538), (148, 145615769), (239, 90172108), (478, 45086054), (481, 44804852), (956, 22543027), (962, 22402426), (1924, 11201213), (3107, 6936316), (6214, 3468158), (8843, 2437084), (12428, 1734079), (17686, 1218542), (35372, 609271), (46867, 459836), (93734, 229918), (114959, 187468)]