21975327

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3260

約数の個数: 32

約数和(自身を含む): 37071360

約数和(自身を除く): 15096033

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 3217, 6831, 9651, 28953, 35387, 73991, 86859, 106161, 221973, 318483, 665919, 813901, 955449, 1997757, 2441703, 7325109, 21975327]

約数ペア:

[(1, 21975327), (3, 7325109), (9, 2441703), (11, 1997757), (23, 955449), (27, 813901), (33, 665919), (69, 318483), (99, 221973), (207, 106161), (253, 86859), (297, 73991), (621, 35387), (759, 28953), (2277, 9651), (3217, 6831)]