21779842

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 38404224

約数和(自身を除く): 16624382

約数列:

[1, 2, 7, 14, 73, 101, 146, 202, 211, 422, 511, 707, 1022, 1414, 1477, 2954, 7373, 14746, 15403, 21311, 30806, 42622, 51611, 103222, 107821, 149177, 215642, 298354, 1555703, 3111406, 10889921, 21779842]

約数ペア:

[(1, 21779842), (2, 10889921), (7, 3111406), (14, 1555703), (73, 298354), (101, 215642), (146, 149177), (202, 107821), (211, 103222), (422, 51611), (511, 42622), (707, 30806), (1022, 21311), (1414, 15403), (1477, 14746), (2954, 7373)]