21741092

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1187}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 40249440

約数和(自身を除く): 18508348

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 1187, 2374, 4579, 4748, 9158, 18316, 22553, 45106, 90212, 286067, 572134, 1144268, 5435273, 10870546, 21741092]

約数ペア:

[(1, 21741092), (2, 10870546), (4, 5435273), (19, 1144268), (38, 572134), (76, 286067), (241, 90212), (482, 45106), (964, 22553), (1187, 18316), (2374, 9158), (4579, 4748)]