21462736

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1373}}^1$

素因数の和:2358

約数の個数: 20

約数和(自身を含む): 41656932

約数和(自身を除く): 20194196

約数列:

[1, 2, 4, 8, 16, 977, 1373, 1954, 2746, 3908, 5492, 7816, 10984, 15632, 21968, 1341421, 2682842, 5365684, 10731368, 21462736]

約数ペア:

[(1, 21462736), (2, 10731368), (4, 5365684), (8, 2682842), (16, 1341421), (977, 21968), (1373, 15632), (1954, 10984), (2746, 7816), (3908, 5492)]