21572522

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1277

約数の個数: 16

約数和(自身を含む): 33069120

約数和(自身を除く): 11496598

約数列:

[1, 2, 73, 139, 146, 278, 1063, 2126, 10147, 20294, 77599, 147757, 155198, 295514, 10786261, 21572522]

約数ペア:

[(1, 21572522), (2, 10786261), (73, 295514), (139, 155198), (146, 147757), (278, 77599), (1063, 20294), (2126, 10147)]