21530152

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10391}}^1$

素因数の和:10441

約数の個数: 32

約数和(自身を含む): 47387520

約数和(自身を除く): 25857368

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10391, 20782, 41564, 72737, 83128, 145474, 290948, 384467, 581896, 768934, 1537868, 2691269, 3075736, 5382538, 10765076, 21530152]

約数ペア:

[(1, 21530152), (2, 10765076), (4, 5382538), (7, 3075736), (8, 2691269), (14, 1537868), (28, 768934), (37, 581896), (56, 384467), (74, 290948), (148, 145474), (259, 83128), (296, 72737), (518, 41564), (1036, 20782), (2072, 10391)]