21986514

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{111043}}^1$

素因数の和:111062

約数の個数: 24

約数和(自身を含む): 51968592

約数和(自身を除く): 29982078

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 111043, 222086, 333129, 666258, 999387, 1221473, 1998774, 2442946, 3664419, 7328838, 10993257, 21986514]

約数ペア:

[(1, 21986514), (2, 10993257), (3, 7328838), (6, 3664419), (9, 2442946), (11, 1998774), (18, 1221473), (22, 999387), (33, 666258), (66, 333129), (99, 222086), (198, 111043)]