21461139

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4937}}^1$

素因数の和:4976

約数の個数: 32

約数和(自身を含む): 37923840

約数和(自身を除く): 16462701

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4937, 14811, 34559, 44433, 103677, 113551, 133299, 311031, 340653, 794857, 933093, 1021959, 2384571, 3065877, 7153713, 21461139]

約数ペア:

[(1, 21461139), (3, 7153713), (7, 3065877), (9, 2384571), (21, 1021959), (23, 933093), (27, 794857), (63, 340653), (69, 311031), (161, 133299), (189, 113551), (207, 103677), (483, 44433), (621, 34559), (1449, 14811), (4347, 4937)]