21130844

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4519}}^1$

素因数の和:4697

約数の個数: 24

約数和(自身を含む): 42524160

約数和(自身を除く): 21393316

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4519, 4676, 9038, 18076, 31633, 63266, 126532, 754673, 1509346, 3018692, 5282711, 10565422, 21130844]

約数ペア:

[(1, 21130844), (2, 10565422), (4, 5282711), (7, 3018692), (14, 1509346), (28, 754673), (167, 126532), (334, 63266), (668, 31633), (1169, 18076), (2338, 9038), (4519, 4676)]