21000295695

素因数分解:

$3^1\times 5^1\times {\mathrm{9973}}^1\times {\mathrm{140381}}^1$

素因数の和:150362

約数の個数: 16

約数和(自身を含む): 33604081632

約数和(自身を除く): 12603785937

約数列:

[1, 3, 5, 15, 9973, 29919, 49865, 140381, 149595, 421143, 701905, 2105715, 1400019713, 4200059139, 7000098565, 21000295695]

約数ペア:

[(1, 21000295695), (3, 7000098565), (5, 4200059139), (15, 1400019713), (9973, 2105715), (29919, 701905), (49865, 421143), (140381, 149595)]