21076140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351269}}^1$

素因数の和:351281

約数の個数: 24

約数和(自身を含む): 59013360

約数和(自身を除く): 37937220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351269, 702538, 1053807, 1405076, 1756345, 2107614, 3512690, 4215228, 5269035, 7025380, 10538070, 21076140]

約数ペア:

[(1, 21076140), (2, 10538070), (3, 7025380), (4, 5269035), (5, 4215228), (6, 3512690), (10, 2107614), (12, 1756345), (15, 1405076), (20, 1053807), (30, 702538), (60, 351269)]