21906654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47417}}^1$

素因数の和:47440

約数の個数: 32

約数和(自身を含む): 54625536

約数和(自身を除く): 32718882

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 47417, 94834, 142251, 284502, 331919, 521587, 663838, 995757, 1043174, 1564761, 1991514, 3129522, 3651109, 7302218, 10953327, 21906654]

約数ペア:

[(1, 21906654), (2, 10953327), (3, 7302218), (6, 3651109), (7, 3129522), (11, 1991514), (14, 1564761), (21, 1043174), (22, 995757), (33, 663838), (42, 521587), (66, 331919), (77, 284502), (154, 142251), (231, 94834), (462, 47417)]