21182480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24071}}^1$

素因数の和:24095

約数の個数: 40

約数和(自身を含む): 53728704

約数和(自身を除く): 32546224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24071, 48142, 96284, 120355, 192568, 240710, 264781, 385136, 481420, 529562, 962840, 1059124, 1323905, 1925680, 2118248, 2647810, 4236496, 5295620, 10591240, 21182480]

約数ペア:

[(1, 21182480), (2, 10591240), (4, 5295620), (5, 4236496), (8, 2647810), (10, 2118248), (11, 1925680), (16, 1323905), (20, 1059124), (22, 962840), (40, 529562), (44, 481420), (55, 385136), (80, 264781), (88, 240710), (110, 192568), (176, 120355), (220, 96284), (440, 48142), (880, 24071)]