21575679

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6653}}^1$

素因数の和:6726

約数の個数: 16

約数和(自身を含む): 30661632

約数和(自身を除く): 9085953

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6653, 19959, 153019, 312691, 459057, 938073, 7191893, 21575679]

約数ペア:

[(1, 21575679), (3, 7191893), (23, 938073), (47, 459057), (69, 312691), (141, 153019), (1081, 19959), (3243, 6653)]