21854104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 43858800

約数和(自身を除く): 22004696

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 2357, 4636, 4714, 9272, 9428, 18856, 44783, 89566, 143777, 179132, 287554, 358264, 575108, 1150216, 2731763, 5463526, 10927052, 21854104]

約数ペア:

[(1, 21854104), (2, 10927052), (4, 5463526), (8, 2731763), (19, 1150216), (38, 575108), (61, 358264), (76, 287554), (122, 179132), (152, 143777), (244, 89566), (488, 44783), (1159, 18856), (2318, 9428), (2357, 9272), (4636, 4714)]