21728939905

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1\times {\mathrm{95317}}^1$

素因数の和:95808

約数の個数: 16

約数和(自身を含む): 26353520640

約数和(自身を除く): 4624580735

約数列:

[1, 5, 127, 359, 635, 1795, 45593, 95317, 227965, 476585, 12105259, 34218803, 60526295, 171094015, 4345787981, 21728939905]

約数ペア:

[(1, 21728939905), (5, 4345787981), (127, 171094015), (359, 60526295), (635, 34218803), (1795, 12105259), (45593, 476585), (95317, 227965)]