21480492545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1\times {\mathrm{5351}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 27675406080

約数和(自身を除く): 6194913535

約数列:

[1, 5, 17, 83, 85, 415, 569, 1411, 2845, 5351, 7055, 9673, 26755, 47227, 48365, 90967, 236135, 444133, 454835, 802859, 2220665, 3044719, 4014295, 7550261, 15223595, 37751305, 51760223, 252711677, 258801115, 1263558385, 4296098509, 21480492545]

約数ペア:

[(1, 21480492545), (5, 4296098509), (17, 1263558385), (83, 258801115), (85, 252711677), (415, 51760223), (569, 37751305), (1411, 15223595), (2845, 7550261), (5351, 4014295), (7055, 3044719), (9673, 2220665), (26755, 802859), (47227, 454835), (48365, 444133), (90967, 236135)]