21229596

素因数分解:

$2^2\times 3^2\times {\mathrm{589711}}^1$

素因数の和:589721

約数の個数: 18

約数和(自身を含む): 53663792

約数和(自身を除く): 32434196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 589711, 1179422, 1769133, 2358844, 3538266, 5307399, 7076532, 10614798, 21229596]

約数ペア:

[(1, 21229596), (2, 10614798), (3, 7076532), (4, 5307399), (6, 3538266), (9, 2358844), (12, 1769133), (18, 1179422), (36, 589711)]