21886696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 44389800

約数和(自身を除く): 22503104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 541, 778, 1082, 1556, 2164, 3112, 4328, 5057, 7033, 10114, 14066, 20228, 28132, 40456, 56264, 210449, 420898, 841796, 1683592, 2735837, 5471674, 10943348, 21886696]

約数ペア:

[(1, 21886696), (2, 10943348), (4, 5471674), (8, 2735837), (13, 1683592), (26, 841796), (52, 420898), (104, 210449), (389, 56264), (541, 40456), (778, 28132), (1082, 20228), (1556, 14066), (2164, 10114), (3112, 7033), (4328, 5057)]