21103630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124139}}^1$

素因数の和:124163

約数の個数: 16

約数和(自身を含む): 40221360

約数和(自身を除く): 19117730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124139, 248278, 620695, 1241390, 2110363, 4220726, 10551815, 21103630]

約数ペア:

[(1, 21103630), (2, 10551815), (5, 4220726), (10, 2110363), (17, 1241390), (34, 620695), (85, 248278), (170, 124139)]