21840711508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{339289}}^1$

素因数の和:339341

約数の個数: 72

約数和(自身を含む): 50540638400

約数和(自身を除く): 28699926892

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 9196, 16093, 32186, 64372, 339289, 678578, 1357156, 2375023, 3732179, 4750046, 6446491, 7464358, 9500092, 12892982, 14928716, 25785964, 26125253, 41053969, 45125437, 52250506, 70911401, 82107938, 90250874, 104501012, 141822802, 164215876, 180501748, 283645604, 287377783, 496379807, 574755566, 780025411, 992759614, 1149511132, 1560050822, 1985519228, 3120101644, 5460177877, 10920355754, 21840711508]

約数ペア:

[(1, 21840711508), (2, 10920355754), (4, 5460177877), (7, 3120101644), (11, 1985519228), (14, 1560050822), (19, 1149511132), (22, 992759614), (28, 780025411), (38, 574755566), (44, 496379807), (76, 287377783), (77, 283645604), (121, 180501748), (133, 164215876), (154, 141822802), (209, 104501012), (242, 90250874), (266, 82107938), (308, 70911401), (418, 52250506), (484, 45125437), (532, 41053969), (836, 26125253), (847, 25785964), (1463, 14928716), (1694, 12892982), (2299, 9500092), (2926, 7464358), (3388, 6446491), (4598, 4750046), (5852, 3732179), (9196, 2375023), (16093, 1357156), (32186, 678578), (64372, 339289)]