21894194

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 18385486

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1553, 2014, 3106, 7049, 10871, 14098, 21742, 29507, 59014, 82309, 164618, 206549, 413098, 576163, 1152326, 1563871, 3127742, 10947097, 21894194]

約数ペア:

[(1, 21894194), (2, 10947097), (7, 3127742), (14, 1563871), (19, 1152326), (38, 576163), (53, 413098), (106, 206549), (133, 164618), (266, 82309), (371, 59014), (742, 29507), (1007, 21742), (1553, 14098), (2014, 10871), (3106, 7049)]