21878045266

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{11159}}^1$

素因数の和:11647

約数の個数: 64

約数和(自身を含む): 42425856000

約数和(自身を除く): 20547810734

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 439, 638, 878, 2233, 3073, 4466, 4829, 6146, 9658, 11159, 12731, 22318, 25462, 33803, 67606, 78113, 89117, 122749, 140041, 156226, 178234, 245498, 280082, 323611, 647222, 859243, 980287, 1718486, 1960574, 2265277, 3559721, 4530554, 4898801, 7119442, 9797602, 24918047, 34291607, 49836094, 53886811, 68583214, 107773622, 142065229, 284130458, 377207677, 754415354, 994456603, 1562717519, 1988913206, 3125435038, 10939022633, 21878045266]

約数ペア:

[(1, 21878045266), (2, 10939022633), (7, 3125435038), (11, 1988913206), (14, 1562717519), (22, 994456603), (29, 754415354), (58, 377207677), (77, 284130458), (154, 142065229), (203, 107773622), (319, 68583214), (406, 53886811), (439, 49836094), (638, 34291607), (878, 24918047), (2233, 9797602), (3073, 7119442), (4466, 4898801), (4829, 4530554), (6146, 3559721), (9658, 2265277), (11159, 1960574), (12731, 1718486), (22318, 980287), (25462, 859243), (33803, 647222), (67606, 323611), (78113, 280082), (89117, 245498), (122749, 178234), (140041, 156226)]