21235627

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1433}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 25467840

約数和(自身を除く): 4232213

約数列:

[1, 7, 29, 73, 203, 511, 1433, 2117, 10031, 14819, 41557, 104609, 290899, 732263, 3033661, 21235627]

約数ペア:

[(1, 21235627), (7, 3033661), (29, 732263), (73, 290899), (203, 104609), (511, 41557), (1433, 14819), (2117, 10031)]