21052245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14429355

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 439, 695, 1317, 2085, 2195, 3197, 6585, 9591, 10097, 15985, 30291, 47955, 50485, 61021, 151455, 183063, 305105, 915315, 1403483, 4210449, 7017415, 21052245]

約数ペア:

[(1, 21052245), (3, 7017415), (5, 4210449), (15, 1403483), (23, 915315), (69, 305105), (115, 183063), (139, 151455), (345, 61021), (417, 50485), (439, 47955), (695, 30291), (1317, 15985), (2085, 10097), (2195, 9591), (3197, 6585)]