21230147281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2149453}}^1$

素因数の和:2149560

約数の個数: 16

約数和(自身を含む): 25999795584

約数和(自身を除く): 4769648303

約数列:

[1, 7, 17, 83, 119, 581, 1411, 9877, 2149453, 15046171, 36540701, 178404599, 255784907, 1248832193, 3032878183, 21230147281]

約数ペア:

[(1, 21230147281), (7, 3032878183), (17, 1248832193), (83, 255784907), (119, 178404599), (581, 36540701), (1411, 15046171), (9877, 2149453)]