21512022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 51363840

約数和(自身を除く): 29851818

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 109, 111, 127, 218, 222, 254, 259, 327, 381, 518, 654, 762, 763, 777, 889, 1526, 1554, 1778, 2289, 2667, 4033, 4578, 4699, 5334, 8066, 9398, 12099, 13843, 14097, 24198, 27686, 28194, 28231, 32893, 41529, 56462, 65786, 83058, 84693, 96901, 98679, 169386, 193802, 197358, 290703, 512191, 581406, 1024382, 1536573, 3073146, 3585337, 7170674, 10756011, 21512022]

約数ペア:

[(1, 21512022), (2, 10756011), (3, 7170674), (6, 3585337), (7, 3073146), (14, 1536573), (21, 1024382), (37, 581406), (42, 512191), (74, 290703), (109, 197358), (111, 193802), (127, 169386), (218, 98679), (222, 96901), (254, 84693), (259, 83058), (327, 65786), (381, 56462), (518, 41529), (654, 32893), (762, 28231), (763, 28194), (777, 27686), (889, 24198), (1526, 14097), (1554, 13843), (1778, 12099), (2289, 9398), (2667, 8066), (4033, 5334), (4578, 4699)]