21294032

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13177}}^1$

素因数の和:13286

約数の個数: 20

約数和(自身を含む): 41668836

約数和(自身を除く): 20374804

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13177, 26354, 52708, 105416, 210832, 1330877, 2661754, 5323508, 10647016, 21294032]

約数ペア:

[(1, 21294032), (2, 10647016), (4, 5323508), (8, 2661754), (16, 1330877), (101, 210832), (202, 105416), (404, 52708), (808, 26354), (1616, 13177)]