21302538

素因数分解:

$2^1\times 3^1\times {\mathrm{1721}}^1\times {\mathrm{2063}}^1$

素因数の和:3789

約数の個数: 16

約数和(自身を含む): 42650496

約数和(自身を除く): 21347958

約数列:

[1, 2, 3, 6, 1721, 2063, 3442, 4126, 5163, 6189, 10326, 12378, 3550423, 7100846, 10651269, 21302538]

約数ペア:

[(1, 21302538), (2, 10651269), (3, 7100846), (6, 3550423), (1721, 12378), (2063, 10326), (3442, 6189), (4126, 5163)]