21457359755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{196613}}^1$

素因数の和:196727

約数の個数: 32

約数和(自身を含む): 29331662976

約数和(自身を除く): 7874303221

約数列:

[1, 5, 13, 23, 65, 73, 115, 299, 365, 949, 1495, 1679, 4745, 8395, 21827, 109135, 196613, 983065, 2555969, 4522099, 12779845, 14352749, 22610495, 58787287, 71763745, 186585737, 293936435, 330113227, 932928685, 1650566135, 4291471951, 21457359755]

約数ペア:

[(1, 21457359755), (5, 4291471951), (13, 1650566135), (23, 932928685), (65, 330113227), (73, 293936435), (115, 186585737), (299, 71763745), (365, 58787287), (949, 22610495), (1495, 14352749), (1679, 12779845), (4745, 4522099), (8395, 2555969), (21827, 983065), (109135, 196613)]