21815886

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 44851968

約数和(自身を除く): 23036082

約数列:

[1, 2, 3, 6, 71, 83, 142, 166, 213, 249, 426, 498, 617, 1234, 1851, 3702, 5893, 11786, 17679, 35358, 43807, 51211, 87614, 102422, 131421, 153633, 262842, 307266, 3635981, 7271962, 10907943, 21815886]

約数ペア:

[(1, 21815886), (2, 10907943), (3, 7271962), (6, 3635981), (71, 307266), (83, 262842), (142, 153633), (166, 131421), (213, 102422), (249, 87614), (426, 51211), (498, 43807), (617, 35358), (1234, 17679), (1851, 11786), (3702, 5893)]