21113602

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2531}}^1$

素因数の和:2673

約数の個数: 16

約数和(自身を含む): 32753952

約数和(自身を除く): 11640350

約数列:

[1, 2, 43, 86, 97, 194, 2531, 4171, 5062, 8342, 108833, 217666, 245507, 491014, 10556801, 21113602]

約数ペア:

[(1, 21113602), (2, 10556801), (43, 491014), (86, 245507), (97, 217666), (194, 108833), (2531, 8342), (4171, 5062)]