21906574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4703}}^1$

素因数の和:4859

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 13147634

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 4703, 9406, 79951, 159902, 644311, 1288622, 10953287, 21906574]

約数ペア:

[(1, 21906574), (2, 10953287), (17, 1288622), (34, 644311), (137, 159902), (274, 79951), (2329, 9406), (4658, 4703)]