21895174

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17272826

約数列:

[1, 2, 7, 14, 29, 58, 199, 203, 271, 398, 406, 542, 1393, 1897, 2786, 3794, 5771, 7859, 11542, 15718, 40397, 53929, 55013, 80794, 107858, 110026, 377503, 755006, 1563941, 3127882, 10947587, 21895174]

約数ペア:

[(1, 21895174), (2, 10947587), (7, 3127882), (14, 1563941), (29, 755006), (58, 377503), (199, 110026), (203, 107858), (271, 80794), (398, 55013), (406, 53929), (542, 40397), (1393, 15718), (1897, 11542), (2786, 7859), (3794, 5771)]