21912772

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3709}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 44045120

約数和(自身を除く): 22132348

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 3709, 5908, 7418, 14836, 25963, 51926, 103852, 782599, 1565198, 3130396, 5478193, 10956386, 21912772]

約数ペア:

[(1, 21912772), (2, 10956386), (4, 5478193), (7, 3130396), (14, 1565198), (28, 782599), (211, 103852), (422, 51926), (844, 25963), (1477, 14836), (2954, 7418), (3709, 5908)]