21545324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4729}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 40526640

約数和(自身を除く): 18981316

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 4729, 9458, 18916, 80393, 160786, 316843, 321572, 633686, 1267372, 5386331, 10772662, 21545324]

約数ペア:

[(1, 21545324), (2, 10772662), (4, 5386331), (17, 1267372), (34, 633686), (67, 321572), (68, 316843), (134, 160786), (268, 80393), (1139, 18916), (2278, 9458), (4556, 4729)]