21845845

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21523}}^1$

素因数の和:21564

約数の個数: 16

約数和(自身を含む): 30994560

約数和(自身を除く): 9148715

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 21523, 107615, 150661, 624167, 753305, 3120835, 4369169, 21845845]

約数ペア:

[(1, 21845845), (5, 4369169), (7, 3120835), (29, 753305), (35, 624167), (145, 150661), (203, 107615), (1015, 21523)]