21167265861

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1\times {\mathrm{16657}}^1$

素因数の和:17570

約数の個数: 48

約数和(自身を含む): 36505807104

約数和(自身を除く): 15338541243

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 877, 1449, 2631, 6139, 7893, 16657, 18417, 20171, 49971, 55251, 60513, 116599, 141197, 149913, 181539, 349797, 383111, 423591, 1049391, 1149333, 1270773, 2681777, 3447999, 8045331, 14608189, 24135993, 43824567, 102257323, 131473701, 306771969, 335988347, 920315907, 1007965041, 2351918429, 3023895123, 7055755287, 21167265861]

約数ペア:

[(1, 21167265861), (3, 7055755287), (7, 3023895123), (9, 2351918429), (21, 1007965041), (23, 920315907), (63, 335988347), (69, 306771969), (161, 131473701), (207, 102257323), (483, 43824567), (877, 24135993), (1449, 14608189), (2631, 8045331), (6139, 3447999), (7893, 2681777), (16657, 1270773), (18417, 1149333), (20171, 1049391), (49971, 423591), (55251, 383111), (60513, 349797), (116599, 181539), (141197, 149913)]