21894004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26189}}^1$

素因数の和:26223

約数の個数: 24

約数和(自身を含む): 43999200

約数和(自身を除く): 22105196

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 26189, 52378, 104756, 288079, 497591, 576158, 995182, 1152316, 1990364, 5473501, 10947002, 21894004]

約数ペア:

[(1, 21894004), (2, 10947002), (4, 5473501), (11, 1990364), (19, 1152316), (22, 995182), (38, 576158), (44, 497591), (76, 288079), (209, 104756), (418, 52378), (836, 26189)]