21540442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2293}}^1$

素因数の和:2374

約数の個数: 32

約数和(自身を含む): 40961664

約数和(自身を除く): 19421222

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2293, 4586, 4697, 9394, 16051, 25223, 32102, 50446, 139873, 176561, 279746, 353122, 979111, 1538603, 1958222, 3077206, 10770221, 21540442]

約数ペア:

[(1, 21540442), (2, 10770221), (7, 3077206), (11, 1958222), (14, 1538603), (22, 979111), (61, 353122), (77, 279746), (122, 176561), (154, 139873), (427, 50446), (671, 32102), (854, 25223), (1342, 16051), (2293, 9394), (4586, 4697)]