21948375

素因数分解:

$3^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 36930816

約数和(自身を除く): 14982441

約数列:

[1, 3, 5, 15, 25, 75, 107, 125, 321, 375, 535, 547, 1605, 1641, 2675, 2735, 8025, 8205, 13375, 13675, 40125, 41025, 58529, 68375, 175587, 205125, 292645, 877935, 1463225, 4389675, 7316125, 21948375]

約数ペア:

[(1, 21948375), (3, 7316125), (5, 4389675), (15, 1463225), (25, 877935), (75, 292645), (107, 205125), (125, 175587), (321, 68375), (375, 58529), (535, 41025), (547, 40125), (1605, 13675), (1641, 13375), (2675, 8205), (2735, 8025)]