21005792

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34549}}^1$

素因数の和:34578

約数の個数: 24

約数和(自身を含む): 43533000

約数和(自身を除く): 22527208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34549, 69098, 138196, 276392, 552784, 656431, 1105568, 1312862, 2625724, 5251448, 10502896, 21005792]

約数ペア:

[(1, 21005792), (2, 10502896), (4, 5251448), (8, 2625724), (16, 1312862), (19, 1105568), (32, 656431), (38, 552784), (76, 276392), (152, 138196), (304, 69098), (608, 34549)]