21950719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1093}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 26606080

約数和(自身を除く): 4655361

約数列:

[1, 7, 19, 133, 151, 1057, 1093, 2869, 7651, 20083, 20767, 145369, 165043, 1155301, 3135817, 21950719]

約数ペア:

[(1, 21950719), (7, 3135817), (19, 1155301), (133, 165043), (151, 145369), (1057, 20767), (1093, 20083), (2869, 7651)]