21491463

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33013}}^1$

素因数の和:33054

約数の個数: 16

約数和(自身を含む): 33806336

約数和(自身を除く): 12314873

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33013, 99039, 231091, 693273, 1023403, 3070209, 7163821, 21491463]

約数ペア:

[(1, 21491463), (3, 7163821), (7, 3070209), (21, 1023403), (31, 693273), (93, 231091), (217, 99039), (651, 33013)]