21593445

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 14141595

約数列:

[1, 3, 5, 15, 47, 109, 141, 235, 281, 327, 545, 705, 843, 1405, 1635, 4215, 5123, 13207, 15369, 25615, 30629, 39621, 66035, 76845, 91887, 153145, 198105, 459435, 1439563, 4318689, 7197815, 21593445]

約数ペア:

[(1, 21593445), (3, 7197815), (5, 4318689), (15, 1439563), (47, 459435), (109, 198105), (141, 153145), (235, 91887), (281, 76845), (327, 66035), (545, 39621), (705, 30629), (843, 25615), (1405, 15369), (1635, 13207), (4215, 5123)]