21655634

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 23583406

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 58, 77, 91, 143, 154, 182, 203, 286, 319, 373, 377, 406, 638, 746, 754, 1001, 2002, 2233, 2611, 2639, 4103, 4147, 4466, 4849, 5222, 5278, 8206, 8294, 9698, 10817, 21634, 28721, 29029, 33943, 53339, 57442, 58058, 67886, 75719, 106678, 118987, 140621, 151438, 237974, 281242, 373373, 746746, 832909, 984347, 1546831, 1665818, 1968694, 3093662, 10827817, 21655634]

約数ペア:

[(1, 21655634), (2, 10827817), (7, 3093662), (11, 1968694), (13, 1665818), (14, 1546831), (22, 984347), (26, 832909), (29, 746746), (58, 373373), (77, 281242), (91, 237974), (143, 151438), (154, 140621), (182, 118987), (203, 106678), (286, 75719), (319, 67886), (373, 58058), (377, 57442), (406, 53339), (638, 33943), (746, 29029), (754, 28721), (1001, 21634), (2002, 10817), (2233, 9698), (2611, 8294), (2639, 8206), (4103, 5278), (4147, 5222), (4466, 4849)]