21487724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2713

約数の個数: 24

約数和(自身を含む): 39463200

約数和(自身を除く): 17975476

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2609, 4118, 5218, 8236, 10436, 75661, 151322, 185239, 302644, 370478, 740956, 5371931, 10743862, 21487724]

約数ペア:

[(1, 21487724), (2, 10743862), (4, 5371931), (29, 740956), (58, 370478), (71, 302644), (116, 185239), (142, 151322), (284, 75661), (2059, 10436), (2609, 8236), (4118, 5218)]