21379356

素因数分解:

$2^2\times 3^3\times {\mathrm{197957}}^1$

素因数の和:197970

約数の個数: 24

約数和(自身を含む): 55428240

約数和(自身を除く): 34048884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197957, 395914, 593871, 791828, 1187742, 1781613, 2375484, 3563226, 5344839, 7126452, 10689678, 21379356]

約数ペア:

[(1, 21379356), (2, 10689678), (3, 7126452), (4, 5344839), (6, 3563226), (9, 2375484), (12, 1781613), (18, 1187742), (27, 791828), (36, 593871), (54, 395914), (108, 197957)]