21080550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 52563600

約数和(自身を除く): 31483050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 313, 449, 626, 898, 939, 1347, 1565, 1878, 2245, 2694, 3130, 4490, 4695, 6735, 7825, 9390, 11225, 13470, 15650, 22450, 23475, 33675, 46950, 67350, 140537, 281074, 421611, 702685, 843222, 1405370, 2108055, 3513425, 4216110, 7026850, 10540275, 21080550]

約数ペア:

[(1, 21080550), (2, 10540275), (3, 7026850), (5, 4216110), (6, 3513425), (10, 2108055), (15, 1405370), (25, 843222), (30, 702685), (50, 421611), (75, 281074), (150, 140537), (313, 67350), (449, 46950), (626, 33675), (898, 23475), (939, 22450), (1347, 15650), (1565, 13470), (1878, 11225), (2245, 9390), (2694, 7825), (3130, 6735), (4490, 4695)]