21267730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23055470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 59, 110, 113, 118, 145, 226, 290, 295, 319, 565, 590, 638, 649, 1130, 1243, 1298, 1595, 1711, 2486, 3190, 3245, 3277, 3422, 6215, 6490, 6554, 6667, 8555, 12430, 13334, 16385, 17110, 18821, 32770, 33335, 36047, 37642, 66670, 72094, 73337, 94105, 146674, 180235, 188210, 193343, 360470, 366685, 386686, 733370, 966715, 1933430, 2126773, 4253546, 10633865, 21267730]

約数ペア:

[(1, 21267730), (2, 10633865), (5, 4253546), (10, 2126773), (11, 1933430), (22, 966715), (29, 733370), (55, 386686), (58, 366685), (59, 360470), (110, 193343), (113, 188210), (118, 180235), (145, 146674), (226, 94105), (290, 73337), (295, 72094), (319, 66670), (565, 37642), (590, 36047), (638, 33335), (649, 32770), (1130, 18821), (1243, 17110), (1298, 16385), (1595, 13334), (1711, 12430), (2486, 8555), (3190, 6667), (3245, 6554), (3277, 6490), (3422, 6215)]