21639216

素因数分解:

$2^4\times 3^1\times {\mathrm{450817}}^1$

素因数の和:450828

約数の個数: 20

約数和(自身を含む): 55901432

約数和(自身を除く): 34262216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 450817, 901634, 1352451, 1803268, 2704902, 3606536, 5409804, 7213072, 10819608, 21639216]

約数ペア:

[(1, 21639216), (2, 10819608), (3, 7213072), (4, 5409804), (6, 3606536), (8, 2704902), (12, 1803268), (16, 1352451), (24, 901634), (48, 450817)]