21093770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 19403638

約数列:

[1, 2, 5, 10, 17, 34, 85, 167, 170, 334, 743, 835, 1486, 1670, 2839, 3715, 5678, 7430, 12631, 14195, 25262, 28390, 63155, 124081, 126310, 248162, 620405, 1240810, 2109377, 4218754, 10546885, 21093770]

約数ペア:

[(1, 21093770), (2, 10546885), (5, 4218754), (10, 2109377), (17, 1240810), (34, 620405), (85, 248162), (167, 126310), (170, 124081), (334, 63155), (743, 28390), (835, 25262), (1486, 14195), (1670, 12631), (2839, 7430), (3715, 5678)]