21796144

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25703}}^1$

素因数の和:25764

約数の個数: 20

約数和(自身を含む): 43028496

約数和(自身を除く): 21232352

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25703, 51406, 102812, 205624, 411248, 1362259, 2724518, 5449036, 10898072, 21796144]

約数ペア:

[(1, 21796144), (2, 10898072), (4, 5449036), (8, 2724518), (16, 1362259), (53, 411248), (106, 205624), (212, 102812), (424, 51406), (848, 25703)]