21926275

素因数分解:

$5^2\times 7^3\times {\mathrm{2557}}^1$

素因数の和:2588

約数の個数: 24

約数和(自身を含む): 31719200

約数和(自身を除く): 9792925

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2557, 8575, 12785, 17899, 63925, 89495, 125293, 447475, 626465, 877051, 3132325, 4385255, 21926275]

約数ペア:

[(1, 21926275), (5, 4385255), (7, 3132325), (25, 877051), (35, 626465), (49, 447475), (175, 125293), (245, 89495), (343, 63925), (1225, 17899), (1715, 12785), (2557, 8575)]