21121710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2221}}^1$

素因数の和:2548

約数の個数: 32

約数和(自身を含む): 50874912

約数和(自身を除く): 29753202

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 317, 634, 951, 1585, 1902, 2221, 3170, 4442, 4755, 6663, 9510, 11105, 13326, 22210, 33315, 66630, 704057, 1408114, 2112171, 3520285, 4224342, 7040570, 10560855, 21121710]

約数ペア:

[(1, 21121710), (2, 10560855), (3, 7040570), (5, 4224342), (6, 3520285), (10, 2112171), (15, 1408114), (30, 704057), (317, 66630), (634, 33315), (951, 22210), (1585, 13326), (1902, 11105), (2221, 9510), (3170, 6663), (4442, 4755)]