21456984

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{30829}}^1$

素因数の和:30867

約数の個数: 32

約数和(自身を含む): 55494000

約数和(自身を除く): 34037016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 174, 232, 348, 696, 30829, 61658, 92487, 123316, 184974, 246632, 369948, 739896, 894041, 1788082, 2682123, 3576164, 5364246, 7152328, 10728492, 21456984]

約数ペア:

[(1, 21456984), (2, 10728492), (3, 7152328), (4, 5364246), (6, 3576164), (8, 2682123), (12, 1788082), (24, 894041), (29, 739896), (58, 369948), (87, 246632), (116, 184974), (174, 123316), (232, 92487), (348, 61658), (696, 30829)]