21218103699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{51869}}^1$

素因数の和:52519

約数の個数: 32

約数和(自身を含む): 32312105280

約数和(自身を除く): 11094001581

約数列:

[1, 3, 13, 17, 39, 51, 221, 617, 663, 1851, 8021, 10489, 24063, 31467, 51869, 136357, 155607, 409071, 674297, 881773, 2022891, 2645319, 11463049, 32003173, 34389147, 96009519, 416041249, 544053941, 1248123747, 1632161823, 7072701233, 21218103699]

約数ペア:

[(1, 21218103699), (3, 7072701233), (13, 1632161823), (17, 1248123747), (39, 544053941), (51, 416041249), (221, 96009519), (617, 34389147), (663, 32003173), (1851, 11463049), (8021, 2645319), (10489, 2022891), (24063, 881773), (31467, 674297), (51869, 409071), (136357, 155607)]