21530852

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 45696000

約数和(自身を除く): 24165148

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 67, 92, 134, 161, 268, 322, 469, 499, 644, 938, 998, 1541, 1876, 1996, 3082, 3493, 6164, 6986, 10787, 11477, 13972, 21574, 22954, 33433, 43148, 45908, 66866, 80339, 133732, 160678, 234031, 321356, 468062, 768959, 936124, 1537918, 3075836, 5382713, 10765426, 21530852]

約数ペア:

[(1, 21530852), (2, 10765426), (4, 5382713), (7, 3075836), (14, 1537918), (23, 936124), (28, 768959), (46, 468062), (67, 321356), (92, 234031), (134, 160678), (161, 133732), (268, 80339), (322, 66866), (469, 45908), (499, 43148), (644, 33433), (938, 22954), (998, 21574), (1541, 13972), (1876, 11477), (1996, 10787), (3082, 6986), (3493, 6164)]