21861837

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 33477600

約数和(自身を除く): 11615763

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 739, 1557, 2217, 3287, 6651, 9861, 14041, 29583, 42123, 126369, 127847, 383541, 1150623, 2429093, 7287279, 21861837]

約数ペア:

[(1, 21861837), (3, 7287279), (9, 2429093), (19, 1150623), (57, 383541), (171, 127847), (173, 126369), (519, 42123), (739, 29583), (1557, 14041), (2217, 9861), (3287, 6651)]