21167690164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1774027}}^1$

素因数の和:1774207

約数の個数: 24

約数和(自身を含む): 39241499360

約数和(自身を除く): 18073809196

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 2983, 5966, 11932, 1774027, 3548054, 7096108, 33706513, 67413026, 134826052, 278522239, 557044478, 1114088956, 5291922541, 10583845082, 21167690164]

約数ペア:

[(1, 21167690164), (2, 10583845082), (4, 5291922541), (19, 1114088956), (38, 557044478), (76, 278522239), (157, 134826052), (314, 67413026), (628, 33706513), (2983, 7096108), (5966, 3548054), (11932, 1774027)]