21567077

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 26003712

約数和(自身を除く): 4436635

約数列:

[1, 7, 23, 97, 161, 679, 1381, 2231, 9667, 15617, 31763, 133957, 222341, 937699, 3081011, 21567077]

約数ペア:

[(1, 21567077), (7, 3081011), (23, 937699), (97, 222341), (161, 133957), (679, 31763), (1381, 15617), (2231, 9667)]