21838778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49409}}^1$

素因数の和:49441

約数の個数: 16

約数和(自身を含む): 37353960

約数和(自身を除く): 15515182

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49409, 98818, 642317, 839953, 1284634, 1679906, 10919389, 21838778]

約数ペア:

[(1, 21838778), (2, 10919389), (13, 1679906), (17, 1284634), (26, 839953), (34, 642317), (221, 98818), (442, 49409)]