21369735

素因数分解:

$3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{809}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 15780105

約数列:

[1, 3, 5, 9, 15, 45, 587, 809, 1761, 2427, 2935, 4045, 5283, 7281, 8805, 12135, 26415, 36405, 474883, 1424649, 2374415, 4273947, 7123245, 21369735]

約数ペア:

[(1, 21369735), (3, 7123245), (5, 4273947), (9, 2374415), (15, 1424649), (45, 474883), (587, 36405), (809, 26415), (1761, 12135), (2427, 8805), (2935, 7281), (4045, 5283)]