21003834

素因数分解:

$2^1\times 3^1\times {\mathrm{1489}}^1\times {\mathrm{2351}}^1$

素因数の和:3845

約数の個数: 16

約数和(自身を含む): 42053760

約数和(自身を除く): 21049926

約数列:

[1, 2, 3, 6, 1489, 2351, 2978, 4467, 4702, 7053, 8934, 14106, 3500639, 7001278, 10501917, 21003834]

約数ペア:

[(1, 21003834), (2, 10501917), (3, 7001278), (6, 3500639), (1489, 14106), (2351, 8934), (2978, 7053), (4467, 4702)]