21545092

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 17101628

約数列:

[1, 2, 4, 71, 107, 142, 214, 284, 428, 709, 1418, 2836, 7597, 15194, 30388, 50339, 75863, 100678, 151726, 201356, 303452, 5386273, 10772546, 21545092]

約数ペア:

[(1, 21545092), (2, 10772546), (4, 5386273), (71, 303452), (107, 201356), (142, 151726), (214, 100678), (284, 75863), (428, 50339), (709, 30388), (1418, 15194), (2836, 7597)]