21803571

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4651

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 12626253

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4597, 4743, 13791, 41373, 78149, 142507, 234447, 427521, 703341, 1282563, 2422619, 7267857, 21803571]

約数ペア:

[(1, 21803571), (3, 7267857), (9, 2422619), (17, 1282563), (31, 703341), (51, 427521), (93, 234447), (153, 142507), (279, 78149), (527, 41373), (1581, 13791), (4597, 4743)]