21809294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{499}}^1$

素因数の和:596

約数の個数: 24

約数和(自身を含む): 36183000

約数和(自身を除く): 14373706

約数列:

[1, 2, 13, 26, 41, 82, 499, 533, 998, 1066, 1681, 3362, 6487, 12974, 20459, 21853, 40918, 43706, 265967, 531934, 838819, 1677638, 10904647, 21809294]

約数ペア:

[(1, 21809294), (2, 10904647), (13, 1677638), (26, 838819), (41, 531934), (82, 265967), (499, 43706), (533, 40918), (998, 21853), (1066, 20459), (1681, 12974), (3362, 6487)]