21189292

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 17618708

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2749, 3854, 5498, 7708, 10996, 112709, 129203, 225418, 258406, 450836, 516812, 5297323, 10594646, 21189292]

約数ペア:

[(1, 21189292), (2, 10594646), (4, 5297323), (41, 516812), (47, 450836), (82, 258406), (94, 225418), (164, 129203), (188, 112709), (1927, 10996), (2749, 7708), (3854, 5498)]