21831145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{36691}}^1$

素因数の和:36720

約数の個数: 16

約数和(自身を含む): 31701888

約数和(自身を除く): 9870743

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 36691, 183455, 256837, 623747, 1284185, 3118735, 4366229, 21831145]

約数ペア:

[(1, 21831145), (5, 4366229), (7, 3118735), (17, 1284185), (35, 623747), (85, 256837), (119, 183455), (595, 36691)]