21050880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2741}}^1$

素因数の和:2767

約数の個数: 80

約数和(自身を含む): 67321584

約数和(自身を除く): 46270704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2741, 3840, 5482, 7680, 8223, 10964, 13705, 16446, 21928, 27410, 32892, 41115, 43856, 54820, 65784, 82230, 87712, 109640, 131568, 164460, 175424, 219280, 263136, 328920, 350848, 438560, 526272, 657840, 701696, 877120, 1052544, 1315680, 1403392, 1754240, 2105088, 2631360, 3508480, 4210176, 5262720, 7016960, 10525440, 21050880]

約数ペア:

[(1, 21050880), (2, 10525440), (3, 7016960), (4, 5262720), (5, 4210176), (6, 3508480), (8, 2631360), (10, 2105088), (12, 1754240), (15, 1403392), (16, 1315680), (20, 1052544), (24, 877120), (30, 701696), (32, 657840), (40, 526272), (48, 438560), (60, 350848), (64, 328920), (80, 263136), (96, 219280), (120, 175424), (128, 164460), (160, 131568), (192, 109640), (240, 87712), (256, 82230), (320, 65784), (384, 54820), (480, 43856), (512, 41115), (640, 32892), (768, 27410), (960, 21928), (1280, 16446), (1536, 13705), (1920, 10964), (2560, 8223), (2741, 7680), (3840, 5482)]