21688394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 18591286

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 269, 443, 538, 886, 1883, 3101, 3497, 3766, 5759, 6202, 6994, 11518, 24479, 40313, 48958, 80626, 119167, 238334, 834169, 1549171, 1668338, 3098342, 10844197, 21688394]

約数ペア:

[(1, 21688394), (2, 10844197), (7, 3098342), (13, 1668338), (14, 1549171), (26, 834169), (91, 238334), (182, 119167), (269, 80626), (443, 48958), (538, 40313), (886, 24479), (1883, 11518), (3101, 6994), (3497, 6202), (3766, 5759)]