21814115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 26960736

約数和(自身を除く): 5146621

約数列:

[1, 5, 43, 215, 241, 421, 1205, 2105, 10363, 18103, 51815, 90515, 101461, 507305, 4362823, 21814115]

約数ペア:

[(1, 21814115), (5, 4362823), (43, 507305), (215, 101461), (241, 90515), (421, 51815), (1205, 18103), (2105, 10363)]