21670610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 42502320

約数和(自身を除く): 20831710

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1873, 2314, 3746, 5785, 9365, 11570, 18730, 24349, 48698, 121745, 166697, 243490, 333394, 833485, 1666970, 2167061, 4334122, 10835305, 21670610]

約数ペア:

[(1, 21670610), (2, 10835305), (5, 4334122), (10, 2167061), (13, 1666970), (26, 833485), (65, 333394), (89, 243490), (130, 166697), (178, 121745), (445, 48698), (890, 24349), (1157, 18730), (1873, 11570), (2314, 9365), (3746, 5785)]