21220814704

素因数分解:

$2^4\times {\mathrm{941}}^1\times {\mathrm{1409459}}^1$

素因数の和:1410408

約数の個数: 20

約数和(自身を含む): 41159050920

約数和(自身を除く): 19938236216

約数列:

[1, 2, 4, 8, 16, 941, 1882, 3764, 7528, 15056, 1409459, 2818918, 5637836, 11275672, 22551344, 1326300919, 2652601838, 5305203676, 10610407352, 21220814704]

約数ペア:

[(1, 21220814704), (2, 10610407352), (4, 5305203676), (8, 2652601838), (16, 1326300919), (941, 22551344), (1882, 11275672), (3764, 5637836), (7528, 2818918), (15056, 1409459)]