21564690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3541}}^1$

素因数の和:3587

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 39641070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3541, 6090, 7082, 10623, 17705, 21246, 24787, 35410, 49574, 53115, 74361, 102689, 106230, 123935, 148722, 205378, 247870, 308067, 371805, 513445, 616134, 718823, 743610, 1026890, 1437646, 1540335, 2156469, 3080670, 3594115, 4312938, 7188230, 10782345, 21564690]

約数ペア:

[(1, 21564690), (2, 10782345), (3, 7188230), (5, 4312938), (6, 3594115), (7, 3080670), (10, 2156469), (14, 1540335), (15, 1437646), (21, 1026890), (29, 743610), (30, 718823), (35, 616134), (42, 513445), (58, 371805), (70, 308067), (87, 247870), (105, 205378), (145, 148722), (174, 123935), (203, 106230), (210, 102689), (290, 74361), (406, 53115), (435, 49574), (609, 35410), (870, 24787), (1015, 21246), (1218, 17705), (2030, 10623), (3045, 7082), (3541, 6090)]