21232035

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 19652445

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 99, 165, 177, 295, 495, 531, 649, 727, 885, 1947, 2181, 2655, 3245, 3635, 5841, 6543, 7997, 9735, 10905, 23991, 29205, 32715, 39985, 42893, 71973, 119955, 128679, 214465, 359865, 386037, 471823, 643395, 1415469, 1930185, 2359115, 4246407, 7077345, 21232035]

約数ペア:

[(1, 21232035), (3, 7077345), (5, 4246407), (9, 2359115), (11, 1930185), (15, 1415469), (33, 643395), (45, 471823), (55, 386037), (59, 359865), (99, 214465), (165, 128679), (177, 119955), (295, 71973), (495, 42893), (531, 39985), (649, 32715), (727, 29205), (885, 23991), (1947, 10905), (2181, 9735), (2655, 7997), (3245, 6543), (3635, 5841)]