21136483196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5101}}^1\times {\mathrm{54521}}^1$

素因数の和:59645

約数の個数: 24

約数和(自身を含む): 38943974160

約数和(自身を除く): 17807490964

約数列:

[1, 2, 4, 19, 38, 76, 5101, 10202, 20404, 54521, 96919, 109042, 193838, 218084, 387676, 1035899, 2071798, 4143596, 278111621, 556223242, 1112446484, 5284120799, 10568241598, 21136483196]

約数ペア:

[(1, 21136483196), (2, 10568241598), (4, 5284120799), (19, 1112446484), (38, 556223242), (76, 278111621), (5101, 4143596), (10202, 2071798), (20404, 1035899), (54521, 387676), (96919, 218084), (109042, 193838)]