21101896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155161}}^1$

素因数の和:155184

約数の個数: 16

約数和(自身を含む): 41893740

約数和(自身を除く): 20791844

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155161, 310322, 620644, 1241288, 2637737, 5275474, 10550948, 21101896]

約数ペア:

[(1, 21101896), (2, 10550948), (4, 5275474), (8, 2637737), (17, 1241288), (34, 620644), (68, 310322), (136, 155161)]