21928840

素因数分解:

$2^3\times 5^1\times {\mathrm{548221}}^1$

素因数の和:548232

約数の個数: 16

約数和(自身を含む): 49339980

約数和(自身を除く): 27411140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 548221, 1096442, 2192884, 2741105, 4385768, 5482210, 10964420, 21928840]

約数ペア:

[(1, 21928840), (2, 10964420), (4, 5482210), (5, 4385768), (8, 2741105), (10, 2192884), (20, 1096442), (40, 548221)]