21323497

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 23970240

約数和(自身を除く): 2646743

約数列:

[1, 13, 29, 163, 347, 377, 2119, 4511, 4727, 10063, 56561, 61451, 130819, 735293, 1640269, 21323497]

約数ペア:

[(1, 21323497), (13, 1640269), (29, 735293), (163, 130819), (347, 61451), (377, 56561), (2119, 10063), (4511, 4727)]