21704418

素因数分解:

$2^1\times 3^2\times {\mathrm{1021}}^1\times {\mathrm{1181}}^1$

素因数の和:2210

約数の個数: 24

約数和(自身を含む): 47112156

約数和(自身を除く): 25407738

約数列:

[1, 2, 3, 6, 9, 18, 1021, 1181, 2042, 2362, 3063, 3543, 6126, 7086, 9189, 10629, 18378, 21258, 1205801, 2411602, 3617403, 7234806, 10852209, 21704418]

約数ペア:

[(1, 21704418), (2, 10852209), (3, 7234806), (6, 3617403), (9, 2411602), (18, 1205801), (1021, 21258), (1181, 18378), (2042, 10629), (2362, 9189), (3063, 7086), (3543, 6126)]