21862240

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1277}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 52173072

約数和(自身を除く): 30310832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1277, 1712, 2140, 2554, 3424, 4280, 5108, 6385, 8560, 10216, 12770, 17120, 20432, 25540, 40864, 51080, 102160, 136639, 204320, 273278, 546556, 683195, 1093112, 1366390, 2186224, 2732780, 4372448, 5465560, 10931120, 21862240]

約数ペア:

[(1, 21862240), (2, 10931120), (4, 5465560), (5, 4372448), (8, 2732780), (10, 2186224), (16, 1366390), (20, 1093112), (32, 683195), (40, 546556), (80, 273278), (107, 204320), (160, 136639), (214, 102160), (428, 51080), (535, 40864), (856, 25540), (1070, 20432), (1277, 17120), (1712, 12770), (2140, 10216), (2554, 8560), (3424, 6385), (4280, 5108)]