21527228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1483}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 39889920

約数和(自身を除く): 18362692

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 1483, 2966, 3629, 5932, 7258, 14516, 28177, 56354, 112708, 283253, 566506, 1133012, 5381807, 10763614, 21527228]

約数ペア:

[(1, 21527228), (2, 10763614), (4, 5381807), (19, 1133012), (38, 566506), (76, 283253), (191, 112708), (382, 56354), (764, 28177), (1483, 14516), (2966, 7258), (3629, 5932)]