21512280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179269}}^1$

素因数の和:179283

約数の個数: 32

約数和(自身を含む): 64537200

約数和(自身を除く): 43024920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179269, 358538, 537807, 717076, 896345, 1075614, 1434152, 1792690, 2151228, 2689035, 3585380, 4302456, 5378070, 7170760, 10756140, 21512280]

約数ペア:

[(1, 21512280), (2, 10756140), (3, 7170760), (4, 5378070), (5, 4302456), (6, 3585380), (8, 2689035), (10, 2151228), (12, 1792690), (15, 1434152), (20, 1075614), (24, 896345), (30, 717076), (40, 537807), (60, 358538), (120, 179269)]