21573200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4903}}^1$

素因数の和:4932

約数の個数: 60

約数和(自身を含む): 56552928

約数和(自身を除く): 34979728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4903, 9806, 19612, 24515, 39224, 49030, 53933, 78448, 98060, 107866, 122575, 196120, 215732, 245150, 269665, 392240, 431464, 490300, 539330, 862928, 980600, 1078660, 1348325, 1961200, 2157320, 2696650, 4314640, 5393300, 10786600, 21573200]

約数ペア:

[(1, 21573200), (2, 10786600), (4, 5393300), (5, 4314640), (8, 2696650), (10, 2157320), (11, 1961200), (16, 1348325), (20, 1078660), (22, 980600), (25, 862928), (40, 539330), (44, 490300), (50, 431464), (55, 392240), (80, 269665), (88, 245150), (100, 215732), (110, 196120), (176, 122575), (200, 107866), (220, 98060), (275, 78448), (400, 53933), (440, 49030), (550, 39224), (880, 24515), (1100, 19612), (2200, 9806), (4400, 4903)]