21267068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 18422932

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2099, 2533, 4198, 5066, 8396, 10132, 35683, 71366, 142732, 312751, 625502, 1251004, 5316767, 10633534, 21267068]

約数ペア:

[(1, 21267068), (2, 10633534), (4, 5316767), (17, 1251004), (34, 625502), (68, 312751), (149, 142732), (298, 71366), (596, 35683), (2099, 10132), (2533, 8396), (4198, 5066)]