21607598

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6389}}^1$

素因数の和:6499

約数の個数: 16

約数和(自身を含む): 34506000

約数和(自身を除く): 12898402

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6389, 12778, 121391, 242782, 568621, 1137242, 10803799, 21607598]

約数ペア:

[(1, 21607598), (2, 10803799), (19, 1137242), (38, 568621), (89, 242782), (178, 121391), (1691, 12778), (3382, 6389)]