21260248

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91639}}^1$

素因数の和:91674

約数の個数: 16

約数和(自身を含む): 41238000

約数和(自身を除く): 19977752

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91639, 183278, 366556, 733112, 2657531, 5315062, 10630124, 21260248]

約数ペア:

[(1, 21260248), (2, 10630124), (4, 5315062), (8, 2657531), (29, 733112), (58, 366556), (116, 183278), (232, 91639)]