21921634

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 38892672

約数和(自身を除く): 16971038

約数列:

[1, 2, 7, 14, 41, 82, 181, 211, 287, 362, 422, 574, 1267, 1477, 2534, 2954, 7421, 8651, 14842, 17302, 38191, 51947, 60557, 76382, 103894, 121114, 267337, 534674, 1565831, 3131662, 10960817, 21921634]

約数ペア:

[(1, 21921634), (2, 10960817), (7, 3131662), (14, 1565831), (41, 534674), (82, 267337), (181, 121114), (211, 103894), (287, 76382), (362, 60557), (422, 51947), (574, 38191), (1267, 17302), (1477, 14842), (2534, 8651), (2954, 7421)]