21398782

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1511}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 32895072

約数和(自身を除く): 11496290

約数列:

[1, 2, 73, 97, 146, 194, 1511, 3022, 7081, 14162, 110303, 146567, 220606, 293134, 10699391, 21398782]

約数ペア:

[(1, 21398782), (2, 10699391), (73, 293134), (97, 220606), (146, 146567), (194, 110303), (1511, 14162), (3022, 7081)]