21891546772

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{827}}^1\times {\mathrm{21143}}^1$

素因数の和:22287

約数の個数: 24

約数和(自身を含む): 38480895936

約数和(自身を除く): 16589349164

約数列:

[1, 2, 4, 313, 626, 827, 1252, 1654, 3308, 21143, 42286, 84572, 258851, 517702, 1035404, 6617759, 13235518, 17485261, 26471036, 34970522, 69941044, 5472886693, 10945773386, 21891546772]

約数ペア:

[(1, 21891546772), (2, 10945773386), (4, 5472886693), (313, 69941044), (626, 34970522), (827, 26471036), (1252, 17485261), (1654, 13235518), (3308, 6617759), (21143, 1035404), (42286, 517702), (84572, 258851)]