21424560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89269}}^1$

素因数の和:89285

約数の個数: 40

約数和(自身を含む): 66416880

約数和(自身を除く): 44992320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89269, 178538, 267807, 357076, 446345, 535614, 714152, 892690, 1071228, 1339035, 1428304, 1785380, 2142456, 2678070, 3570760, 4284912, 5356140, 7141520, 10712280, 21424560]

約数ペア:

[(1, 21424560), (2, 10712280), (3, 7141520), (4, 5356140), (5, 4284912), (6, 3570760), (8, 2678070), (10, 2142456), (12, 1785380), (15, 1428304), (16, 1339035), (20, 1071228), (24, 892690), (30, 714152), (40, 535614), (48, 446345), (60, 357076), (80, 267807), (120, 178538), (240, 89269)]