21240885

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{24001}}^1$

素因数の和:24068

約数の個数: 16

約数和(自身を含む): 34562880

約数和(自身を除く): 13321995

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 24001, 72003, 120005, 360015, 1416059, 4248177, 7080295, 21240885]

約数ペア:

[(1, 21240885), (3, 7080295), (5, 4248177), (15, 1416059), (59, 360015), (177, 120005), (295, 72003), (885, 24001)]