21167360656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101766157}}^1$

素因数の和:101766178

約数の個数: 20

約数和(自身を含む): 44166512572

約数和(自身を除く): 22999151916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101766157, 203532314, 407064628, 814129256, 1322960041, 1628258512, 2645920082, 5291840164, 10583680328, 21167360656]

約数ペア:

[(1, 21167360656), (2, 10583680328), (4, 5291840164), (8, 2645920082), (13, 1628258512), (16, 1322960041), (26, 814129256), (52, 407064628), (104, 203532314), (208, 101766157)]