21148589

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{601}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 26468736

約数和(自身を除く): 5320147

約数列:

[1, 7, 11, 77, 457, 601, 3199, 4207, 5027, 6611, 35189, 46277, 274657, 1922599, 3021227, 21148589]

約数ペア:

[(1, 21148589), (7, 3021227), (11, 1922599), (77, 274657), (457, 46277), (601, 35189), (3199, 6611), (4207, 5027)]