21170080

素因数分解:

$2^5\times 5^1\times {\mathrm{132313}}^1$

素因数の和:132328

約数の個数: 24

約数和(自身を含む): 50014692

約数和(自身を除く): 28844612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 132313, 264626, 529252, 661565, 1058504, 1323130, 2117008, 2646260, 4234016, 5292520, 10585040, 21170080]

約数ペア:

[(1, 21170080), (2, 10585040), (4, 5292520), (5, 4234016), (8, 2646260), (10, 2117008), (16, 1323130), (20, 1058504), (32, 661565), (40, 529252), (80, 264626), (160, 132313)]