21013600

素因数分解:

$2^5\times 5^2\times {\mathrm{26267}}^1$

素因数の和:26287

約数の個数: 36

約数和(自身を含む): 51301404

約数和(自身を除く): 30287804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26267, 52534, 105068, 131335, 210136, 262670, 420272, 525340, 656675, 840544, 1050680, 1313350, 2101360, 2626700, 4202720, 5253400, 10506800, 21013600]

約数ペア:

[(1, 21013600), (2, 10506800), (4, 5253400), (5, 4202720), (8, 2626700), (10, 2101360), (16, 1313350), (20, 1050680), (25, 840544), (32, 656675), (40, 525340), (50, 420272), (80, 262670), (100, 210136), (160, 131335), (200, 105068), (400, 52534), (800, 26267)]