21895354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49537}}^1$

素因数の和:49569

約数の個数: 16

約数和(自身を含む): 37450728

約数和(自身を除く): 15555374

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49537, 99074, 643981, 842129, 1287962, 1684258, 10947677, 21895354]

約数ペア:

[(1, 21895354), (2, 10947677), (13, 1684258), (17, 1287962), (26, 842129), (34, 643981), (221, 99074), (442, 49537)]