21976822

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 17711882

約数列:

[1, 2, 7, 14, 23, 46, 131, 161, 262, 322, 521, 917, 1042, 1834, 3013, 3647, 6026, 7294, 11983, 21091, 23966, 42182, 68251, 83881, 136502, 167762, 477757, 955514, 1569773, 3139546, 10988411, 21976822]

約数ペア:

[(1, 21976822), (2, 10988411), (7, 3139546), (14, 1569773), (23, 955514), (46, 477757), (131, 167762), (161, 136502), (262, 83881), (322, 68251), (521, 42182), (917, 23966), (1042, 21091), (1834, 11983), (3013, 7294), (3647, 6026)]