21917875

素因数分解:

$5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 32153472

約数和(自身を除く): 10235597

約数列:

[1, 5, 7, 25, 35, 37, 125, 175, 185, 259, 677, 875, 925, 1295, 3385, 4625, 4739, 6475, 16925, 23695, 25049, 32375, 84625, 118475, 125245, 175343, 592375, 626225, 876715, 3131125, 4383575, 21917875]

約数ペア:

[(1, 21917875), (5, 4383575), (7, 3131125), (25, 876715), (35, 626225), (37, 592375), (125, 175343), (175, 125245), (185, 118475), (259, 84625), (677, 32375), (875, 25049), (925, 23695), (1295, 16925), (3385, 6475), (4625, 4739)]