21669544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 22430456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1499, 1807, 2998, 3614, 5996, 7228, 11992, 14456, 19487, 38974, 77948, 155896, 208361, 416722, 833444, 1666888, 2708693, 5417386, 10834772, 21669544]

約数ペア:

[(1, 21669544), (2, 10834772), (4, 5417386), (8, 2708693), (13, 1666888), (26, 833444), (52, 416722), (104, 208361), (139, 155896), (278, 77948), (556, 38974), (1112, 19487), (1499, 14456), (1807, 11992), (2998, 7228), (3614, 5996)]