20211113391

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{775531}}^1$

素因数の和:775631

約数の個数: 32

約数和(自身を含む): 33056275968

約数和(自身を除く): 12845162577

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 3723, 8687, 26061, 775531, 2326593, 5428717, 13184027, 16286151, 39552081, 56613763, 92288189, 169841289, 276864567, 396296341, 962433971, 1188889023, 2887301913, 6737037797, 20211113391]

約数ペア:

[(1, 20211113391), (3, 6737037797), (7, 2887301913), (17, 1188889023), (21, 962433971), (51, 396296341), (73, 276864567), (119, 169841289), (219, 92288189), (357, 56613763), (511, 39552081), (1241, 16286151), (1533, 13184027), (3723, 5428717), (8687, 2326593), (26061, 775531)]