21667863

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 34845696

約数和(自身を除く): 13177833

約数列:

[1, 3, 7, 21, 23, 69, 113, 161, 339, 397, 483, 791, 1191, 2373, 2599, 2779, 7797, 8337, 9131, 18193, 27393, 44861, 54579, 63917, 134583, 191751, 314027, 942081, 1031803, 3095409, 7222621, 21667863]

約数ペア:

[(1, 21667863), (3, 7222621), (7, 3095409), (21, 1031803), (23, 942081), (69, 314027), (113, 191751), (161, 134583), (339, 63917), (397, 54579), (483, 44861), (791, 27393), (1191, 18193), (2373, 9131), (2599, 8337), (2779, 7797)]