21702981

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1747}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 29953728

約数和(自身を除く): 8250747

約数列:

[1, 3, 41, 101, 123, 303, 1747, 4141, 5241, 12423, 71627, 176447, 214881, 529341, 7234327, 21702981]

約数ペア:

[(1, 21702981), (3, 7234327), (41, 529341), (101, 214881), (123, 176447), (303, 71627), (1747, 12423), (4141, 5241)]