21995848

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7411}}^1$

素因数の和:7477

約数の個数: 32

約数和(自身を含む): 48029760

約数和(自身を除く): 26033912

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7411, 14822, 29644, 51877, 59288, 103754, 207508, 392783, 415016, 785566, 1571132, 2749481, 3142264, 5498962, 10997924, 21995848]

約数ペア:

[(1, 21995848), (2, 10997924), (4, 5498962), (7, 3142264), (8, 2749481), (14, 1571132), (28, 785566), (53, 415016), (56, 392783), (106, 207508), (212, 103754), (371, 59288), (424, 51877), (742, 29644), (1484, 14822), (2968, 7411)]