21934075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 29137520

約数和(自身を除く): 7203445

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 757, 1159, 1525, 3785, 5795, 14383, 18925, 28975, 46177, 71915, 230885, 359575, 877363, 1154425, 4386815, 21934075]

約数ペア:

[(1, 21934075), (5, 4386815), (19, 1154425), (25, 877363), (61, 359575), (95, 230885), (305, 71915), (475, 46177), (757, 28975), (1159, 18925), (1525, 14383), (3785, 5795)]