21307018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32983}}^1$

素因数の和:33021

約数の個数: 16

約数和(自身を含む): 35622720

約数和(自身を除く): 14315702

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32983, 65966, 560711, 626677, 1121422, 1253354, 10653509, 21307018]

約数ペア:

[(1, 21307018), (2, 10653509), (17, 1253354), (19, 1121422), (34, 626677), (38, 560711), (323, 65966), (646, 32983)]