21723422

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81667}}^1$

素因数の和:81695

約数の個数: 16

約数和(自身を含む): 39200640

約数和(自身を除く): 17477218

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 81667, 163334, 571669, 1143338, 1551673, 3103346, 10861711, 21723422]

約数ペア:

[(1, 21723422), (2, 10861711), (7, 3103346), (14, 1551673), (19, 1143338), (38, 571669), (133, 163334), (266, 81667)]