21459113

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 25210080

約数和(自身を除く): 3750967

約数列:

[1, 13, 19, 41, 163, 169, 247, 533, 779, 2119, 3097, 3211, 6683, 6929, 10127, 27547, 40261, 86879, 126977, 131651, 523393, 1129427, 1650701, 21459113]

約数ペア:

[(1, 21459113), (13, 1650701), (19, 1129427), (41, 523393), (163, 131651), (169, 126977), (247, 86879), (533, 40261), (779, 27547), (2119, 10127), (3097, 6929), (3211, 6683)]