21137576

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2357}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 42444000

約数和(自身を除く): 21306424

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2357, 4484, 4714, 8968, 9428, 18856, 44783, 89566, 139063, 179132, 278126, 358264, 556252, 1112504, 2642197, 5284394, 10568788, 21137576]

約数ペア:

[(1, 21137576), (2, 10568788), (4, 5284394), (8, 2642197), (19, 1112504), (38, 556252), (59, 358264), (76, 278126), (118, 179132), (152, 139063), (236, 89566), (472, 44783), (1121, 18856), (2242, 9428), (2357, 8968), (4484, 4714)]