21105124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2027}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 39180960

約数和(自身を除く): 18075836

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2027, 2603, 4054, 5206, 8108, 10412, 38513, 77026, 154052, 277699, 555398, 1110796, 5276281, 10552562, 21105124]

約数ペア:

[(1, 21105124), (2, 10552562), (4, 5276281), (19, 1110796), (38, 555398), (76, 277699), (137, 154052), (274, 77026), (548, 38513), (2027, 10412), (2603, 8108), (4054, 5206)]