21514990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1049}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 22937810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 1049, 1465, 2051, 2098, 2930, 4102, 5245, 7343, 10255, 10490, 14686, 20510, 36715, 73430, 307357, 614714, 1536785, 2151499, 3073570, 4302998, 10757495, 21514990]

約数ペア:

[(1, 21514990), (2, 10757495), (5, 4302998), (7, 3073570), (10, 2151499), (14, 1536785), (35, 614714), (70, 307357), (293, 73430), (586, 36715), (1049, 20510), (1465, 14686), (2051, 10490), (2098, 10255), (2930, 7343), (4102, 5245)]