21029040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29207}}^1$

素因数の和:29226

約数の個数: 60

約数和(自身を含む): 70624944

約数和(自身を除く): 49595904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29207, 58414, 87621, 116828, 146035, 175242, 233656, 262863, 292070, 350484, 438105, 467312, 525726, 584140, 700968, 876210, 1051452, 1168280, 1314315, 1401936, 1752420, 2102904, 2336560, 2628630, 3504840, 4205808, 5257260, 7009680, 10514520, 21029040]

約数ペア:

[(1, 21029040), (2, 10514520), (3, 7009680), (4, 5257260), (5, 4205808), (6, 3504840), (8, 2628630), (9, 2336560), (10, 2102904), (12, 1752420), (15, 1401936), (16, 1314315), (18, 1168280), (20, 1051452), (24, 876210), (30, 700968), (36, 584140), (40, 525726), (45, 467312), (48, 438105), (60, 350484), (72, 292070), (80, 262863), (90, 233656), (120, 175242), (144, 146035), (180, 116828), (240, 87621), (360, 58414), (720, 29207)]