21115041

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 29773440

約数和(自身を除く): 8658399

約数列:

[1, 3, 41, 53, 79, 123, 159, 237, 1681, 2173, 3239, 4187, 5043, 6519, 9717, 12561, 89093, 132799, 171667, 267279, 398397, 515001, 7038347, 21115041]

約数ペア:

[(1, 21115041), (3, 7038347), (41, 515001), (53, 398397), (79, 267279), (123, 171667), (159, 132799), (237, 89093), (1681, 12561), (2173, 9717), (3239, 6519), (4187, 5043)]