21994578

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5903}}^1$

素因数の和:5940

約数の個数: 40

約数和(自身を含む): 51435648

約数和(自身を除く): 29441070

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5903, 11806, 17709, 35418, 53127, 106254, 135769, 159381, 271538, 318762, 407307, 478143, 814614, 956286, 1221921, 2443842, 3665763, 7331526, 10997289, 21994578]

約数ペア:

[(1, 21994578), (2, 10997289), (3, 7331526), (6, 3665763), (9, 2443842), (18, 1221921), (23, 956286), (27, 814614), (46, 478143), (54, 407307), (69, 318762), (81, 271538), (138, 159381), (162, 135769), (207, 106254), (414, 53127), (621, 35418), (1242, 17709), (1863, 11806), (3726, 5903)]