21209002

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 11104598

約数列:

[1, 2, 109, 218, 271, 359, 542, 718, 29539, 39131, 59078, 78262, 97289, 194578, 10604501, 21209002]

約数ペア:

[(1, 21209002), (2, 10604501), (109, 194578), (218, 97289), (271, 78262), (359, 59078), (542, 39131), (718, 29539)]