21310792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 21612728

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2207, 2414, 4414, 4828, 8828, 9656, 17656, 37519, 75038, 150076, 156697, 300152, 313394, 626788, 1253576, 2663849, 5327698, 10655396, 21310792]

約数ペア:

[(1, 21310792), (2, 10655396), (4, 5327698), (8, 2663849), (17, 1253576), (34, 626788), (68, 313394), (71, 300152), (136, 156697), (142, 150076), (284, 75038), (568, 37519), (1207, 17656), (2207, 9656), (2414, 8828), (4414, 4828)]