21986238

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{5303}}^1$

素因数の和:5999

約数の個数: 16

約数和(自身を含む): 44044416

約数和(自身を除く): 22058178

約数列:

[1, 2, 3, 6, 691, 1382, 2073, 4146, 5303, 10606, 15909, 31818, 3664373, 7328746, 10993119, 21986238]

約数ペア:

[(1, 21986238), (2, 10993119), (3, 7328746), (6, 3664373), (691, 31818), (1382, 15909), (2073, 10606), (4146, 5303)]