21273990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1229}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 51187680

約数和(自身を除く): 29913690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 577, 1154, 1229, 1731, 2458, 2885, 3462, 3687, 5770, 6145, 7374, 8655, 12290, 17310, 18435, 36870, 709133, 1418266, 2127399, 3545665, 4254798, 7091330, 10636995, 21273990]

約数ペア:

[(1, 21273990), (2, 10636995), (3, 7091330), (5, 4254798), (6, 3545665), (10, 2127399), (15, 1418266), (30, 709133), (577, 36870), (1154, 18435), (1229, 17310), (1731, 12290), (2458, 8655), (2885, 7374), (3462, 6145), (3687, 5770)]