21300652

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 17507348

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2099, 2537, 4198, 5074, 8396, 10148, 90257, 123841, 180514, 247682, 361028, 495364, 5325163, 10650326, 21300652]

約数ペア:

[(1, 21300652), (2, 10650326), (4, 5325163), (43, 495364), (59, 361028), (86, 247682), (118, 180514), (172, 123841), (236, 90257), (2099, 10148), (2537, 8396), (4198, 5074)]