21747550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39541}}^1$

素因数の和:39564

約数の個数: 24

約数和(自身を含む): 44128872

約数和(自身を除く): 22381322

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39541, 79082, 197705, 395410, 434951, 869902, 988525, 1977050, 2174755, 4349510, 10873775, 21747550]

約数ペア:

[(1, 21747550), (2, 10873775), (5, 4349510), (10, 2174755), (11, 1977050), (22, 988525), (25, 869902), (50, 434951), (55, 395410), (110, 197705), (275, 79082), (550, 39541)]