21236528080

素因数分解:

$2^4\times 5^1\times {\mathrm{2467}}^1\times {\mathrm{107603}}^1$

素因数の和:110083

約数の個数: 40

約数和(自身を含む): 49395400992

約数和(自身を除く): 28158872912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2467, 4934, 9868, 12335, 19736, 24670, 39472, 49340, 98680, 107603, 197360, 215206, 430412, 538015, 860824, 1076030, 1721648, 2152060, 4304120, 8608240, 265456601, 530913202, 1061826404, 1327283005, 2123652808, 2654566010, 4247305616, 5309132020, 10618264040, 21236528080]

約数ペア:

[(1, 21236528080), (2, 10618264040), (4, 5309132020), (5, 4247305616), (8, 2654566010), (10, 2123652808), (16, 1327283005), (20, 1061826404), (40, 530913202), (80, 265456601), (2467, 8608240), (4934, 4304120), (9868, 2152060), (12335, 1721648), (19736, 1076030), (24670, 860824), (39472, 538015), (49340, 430412), (98680, 215206), (107603, 197360)]