21486670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 40030848

約数和(自身を除く): 18544178

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 430, 467, 535, 934, 1070, 2335, 4601, 4670, 9202, 20081, 23005, 40162, 46010, 49969, 99938, 100405, 200810, 249845, 499690, 2148667, 4297334, 10743335, 21486670]

約数ペア:

[(1, 21486670), (2, 10743335), (5, 4297334), (10, 2148667), (43, 499690), (86, 249845), (107, 200810), (214, 100405), (215, 99938), (430, 49969), (467, 46010), (535, 40162), (934, 23005), (1070, 20081), (2335, 9202), (4601, 4670)]