21782010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{911}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 52399872

約数和(自身を除く): 30617862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 797, 911, 1594, 1822, 2391, 2733, 3985, 4555, 4782, 5466, 7970, 9110, 11955, 13665, 23910, 27330, 726067, 1452134, 2178201, 3630335, 4356402, 7260670, 10891005, 21782010]

約数ペア:

[(1, 21782010), (2, 10891005), (3, 7260670), (5, 4356402), (6, 3630335), (10, 2178201), (15, 1452134), (30, 726067), (797, 27330), (911, 23910), (1594, 13665), (1822, 11955), (2391, 9110), (2733, 7970), (3985, 5466), (4555, 4782)]