21288045

素因数分解:

$3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{6091}}^1$

素因数の和:6332

約数の個数: 16

約数和(自身を含む): 34212672

約数和(自身を除く): 12924627

約数列:

[1, 3, 5, 15, 233, 699, 1165, 3495, 6091, 18273, 30455, 91365, 1419203, 4257609, 7096015, 21288045]

約数ペア:

[(1, 21288045), (3, 7096015), (5, 4257609), (15, 1419203), (233, 91365), (699, 30455), (1165, 18273), (3495, 6091)]