21975291212

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{793561}}^1$

素因数の和:793638

約数の個数: 48

約数和(自身を含む): 46928082432

約数和(自身を除く): 24952791220

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 989, 1204, 1978, 3956, 6923, 13846, 27692, 793561, 1587122, 3174244, 5554927, 11109854, 18251903, 22219708, 34123123, 36503806, 68246246, 73007612, 127763321, 136492492, 238861861, 255526642, 477723722, 511053284, 784831829, 955447444, 1569663658, 3139327316, 5493822803, 10987645606, 21975291212]

約数ペア:

[(1, 21975291212), (2, 10987645606), (4, 5493822803), (7, 3139327316), (14, 1569663658), (23, 955447444), (28, 784831829), (43, 511053284), (46, 477723722), (86, 255526642), (92, 238861861), (161, 136492492), (172, 127763321), (301, 73007612), (322, 68246246), (602, 36503806), (644, 34123123), (989, 22219708), (1204, 18251903), (1978, 11109854), (3956, 5554927), (6923, 3174244), (13846, 1587122), (27692, 793561)]