21401422

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2341}}^1$

素因数の和:3003

約数の個数: 16

約数和(自身を含む): 36760032

約数和(自身を除く): 15358610

約数列:

[1, 2, 7, 14, 653, 1306, 2341, 4571, 4682, 9142, 16387, 32774, 1528673, 3057346, 10700711, 21401422]

約数ペア:

[(1, 21401422), (2, 10700711), (7, 3057346), (14, 1528673), (653, 32774), (1306, 16387), (2341, 9142), (4571, 4682)]