21902782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{859}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 38390400

約数和(自身を除く): 16487618

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 859, 1159, 1342, 1718, 2318, 9449, 12749, 16321, 18898, 25498, 32642, 52399, 104798, 179531, 359062, 576389, 995581, 1152778, 1991162, 10951391, 21902782]

約数ペア:

[(1, 21902782), (2, 10951391), (11, 1991162), (19, 1152778), (22, 995581), (38, 576389), (61, 359062), (122, 179531), (209, 104798), (418, 52399), (671, 32642), (859, 25498), (1159, 18898), (1342, 16321), (1718, 12749), (2318, 9449)]