21351626

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1279}}^1$

素因数の和:1789

約数の個数: 16

約数和(自身を含む): 34007040

約数和(自身を除く): 12655414

約数列:

[1, 2, 17, 34, 491, 982, 1279, 2558, 8347, 16694, 21743, 43486, 627989, 1255978, 10675813, 21351626]

約数ペア:

[(1, 21351626), (2, 10675813), (17, 1255978), (34, 627989), (491, 43486), (982, 21743), (1279, 16694), (2558, 8347)]