21367670

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13109}}^1$

素因数の和:13279

約数の個数: 16

約数和(自身を含む): 38700720

約数和(自身を除く): 17333050

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 13109, 26218, 65545, 131090, 2136767, 4273534, 10683835, 21367670]

約数ペア:

[(1, 21367670), (2, 10683835), (5, 4273534), (10, 2136767), (163, 131090), (326, 65545), (815, 26218), (1630, 13109)]