21738105

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7001}}^1$

素因数の和:7038

約数の個数: 32

約数和(自身を含む): 40331520

約数和(自身を除く): 18593415

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 7001, 21003, 35005, 63009, 105015, 161023, 189027, 315045, 483069, 805115, 945135, 1449207, 2415345, 4347621, 7246035, 21738105]

約数ペア:

[(1, 21738105), (3, 7246035), (5, 4347621), (9, 2415345), (15, 1449207), (23, 945135), (27, 805115), (45, 483069), (69, 315045), (115, 189027), (135, 161023), (207, 105015), (345, 63009), (621, 35005), (1035, 21003), (3105, 7001)]