21150978

素因数分解:

$2^1\times 3^1\times {\mathrm{1511}}^1\times {\mathrm{2333}}^1$

素因数の和:3849

約数の個数: 16

約数和(自身を含む): 42348096

約数和(自身を除く): 21197118

約数列:

[1, 2, 3, 6, 1511, 2333, 3022, 4533, 4666, 6999, 9066, 13998, 3525163, 7050326, 10575489, 21150978]

約数ペア:

[(1, 21150978), (2, 10575489), (3, 7050326), (6, 3525163), (1511, 13998), (2333, 9066), (3022, 6999), (4533, 4666)]