21272482

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3006

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19370078

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 2939, 3619, 5878, 7238, 20573, 32329, 41146, 64658, 138133, 226303, 276266, 452606, 966931, 1519463, 1933862, 3038926, 10636241, 21272482]

約数ペア:

[(1, 21272482), (2, 10636241), (7, 3038926), (11, 1933862), (14, 1519463), (22, 966931), (47, 452606), (77, 276266), (94, 226303), (154, 138133), (329, 64658), (517, 41146), (658, 32329), (1034, 20573), (2939, 7238), (3619, 5878)]