21551149065

素因数分解:

$3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{2490023}}^1$

素因数の和:2490608

約数の個数: 16

約数和(自身を含む): 34541612928

約数和(自身を除く): 12990463863

約数列:

[1, 3, 5, 15, 577, 1731, 2885, 8655, 2490023, 7470069, 12450115, 37350345, 1436743271, 4310229813, 7183716355, 21551149065]

約数ペア:

[(1, 21551149065), (3, 7183716355), (5, 4310229813), (15, 1436743271), (577, 37350345), (1731, 12450115), (2885, 7470069), (8655, 2490023)]