21621630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10151}}^1$

素因数の和:10232

約数の個数: 32

約数和(自身を含む): 52627968

約数和(自身を除く): 31006338

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10151, 20302, 30453, 50755, 60906, 101510, 152265, 304530, 720721, 1441442, 2162163, 3603605, 4324326, 7207210, 10810815, 21621630]

約数ペア:

[(1, 21621630), (2, 10810815), (3, 7207210), (5, 4324326), (6, 3603605), (10, 2162163), (15, 1441442), (30, 720721), (71, 304530), (142, 152265), (213, 101510), (355, 60906), (426, 50755), (710, 30453), (1065, 20302), (2130, 10151)]