21072985360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37630331}}^1$

素因数の和:37630351

約数の個数: 40

約数和(自身を含む): 55993934016

約数和(自身を除く): 34920948656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37630331, 75260662, 150521324, 188151655, 263412317, 301042648, 376303310, 526824634, 602085296, 752606620, 1053649268, 1317061585, 1505213240, 2107298536, 2634123170, 3010426480, 4214597072, 5268246340, 10536492680, 21072985360]

約数ペア:

[(1, 21072985360), (2, 10536492680), (4, 5268246340), (5, 4214597072), (7, 3010426480), (8, 2634123170), (10, 2107298536), (14, 1505213240), (16, 1317061585), (20, 1053649268), (28, 752606620), (35, 602085296), (40, 526824634), (56, 376303310), (70, 301042648), (80, 263412317), (112, 188151655), (140, 150521324), (280, 75260662), (560, 37630331)]