21360378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5167}}^1$

素因数の和:5238

約数の個数: 32

約数和(自身を含む): 46884096

約数和(自身を除く): 25523718

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5167, 10334, 15501, 31002, 67171, 134342, 201513, 273851, 403026, 547702, 821553, 1643106, 3560063, 7120126, 10680189, 21360378]

約数ペア:

[(1, 21360378), (2, 10680189), (3, 7120126), (6, 3560063), (13, 1643106), (26, 821553), (39, 547702), (53, 403026), (78, 273851), (106, 201513), (159, 134342), (318, 67171), (689, 31002), (1378, 15501), (2067, 10334), (4134, 5167)]