21462416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43271}}^1$

素因数の和:43310

約数の個数: 20

約数和(自身を含む): 42925824

約数和(自身を除く): 21463408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43271, 86542, 173084, 346168, 692336, 1341401, 2682802, 5365604, 10731208, 21462416]

約数ペア:

[(1, 21462416), (2, 10731208), (4, 5365604), (8, 2682802), (16, 1341401), (31, 692336), (62, 346168), (124, 173084), (248, 86542), (496, 43271)]