21594848

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2031

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 26305312

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1979, 2728, 3958, 5456, 7916, 10912, 15832, 21769, 31664, 43538, 61349, 63328, 87076, 122698, 174152, 245396, 348304, 490792, 674839, 696608, 981584, 1349678, 1963168, 2699356, 5398712, 10797424, 21594848]

約数ペア:

[(1, 21594848), (2, 10797424), (4, 5398712), (8, 2699356), (11, 1963168), (16, 1349678), (22, 981584), (31, 696608), (32, 674839), (44, 490792), (62, 348304), (88, 245396), (124, 174152), (176, 122698), (248, 87076), (341, 63328), (352, 61349), (496, 43538), (682, 31664), (992, 21769), (1364, 15832), (1979, 10912), (2728, 7916), (3958, 5456)]