21071724

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16411}}^1$

素因数の和:16525

約数の個数: 24

約数和(自身を含む): 49629888

約数和(自身を除く): 28558164

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16411, 32822, 49233, 65644, 98466, 196932, 1755977, 3511954, 5267931, 7023908, 10535862, 21071724]

約数ペア:

[(1, 21071724), (2, 10535862), (3, 7023908), (4, 5267931), (6, 3511954), (12, 1755977), (107, 196932), (214, 98466), (321, 65644), (428, 49233), (642, 32822), (1284, 16411)]