21015870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6547}}^1$

素因数の和:6664

約数の個数: 32

約数和(自身を含む): 50917248

約数和(自身を除く): 29901378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6547, 13094, 19641, 32735, 39282, 65470, 98205, 196410, 700529, 1401058, 2101587, 3502645, 4203174, 7005290, 10507935, 21015870]

約数ペア:

[(1, 21015870), (2, 10507935), (3, 7005290), (5, 4203174), (6, 3502645), (10, 2101587), (15, 1401058), (30, 700529), (107, 196410), (214, 98205), (321, 65470), (535, 39282), (642, 32735), (1070, 19641), (1605, 13094), (3210, 6547)]