21212268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 62205696

約数和(自身を除く): 40993428

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2087, 2541, 3388, 4174, 5082, 6261, 8348, 10164, 12522, 14609, 22957, 25044, 29218, 43827, 45914, 58436, 68871, 87654, 91828, 137742, 160699, 175308, 252527, 275484, 321398, 482097, 505054, 642796, 757581, 964194, 1010108, 1515162, 1767689, 1928388, 3030324, 3535378, 5303067, 7070756, 10606134, 21212268]

約数ペア:

[(1, 21212268), (2, 10606134), (3, 7070756), (4, 5303067), (6, 3535378), (7, 3030324), (11, 1928388), (12, 1767689), (14, 1515162), (21, 1010108), (22, 964194), (28, 757581), (33, 642796), (42, 505054), (44, 482097), (66, 321398), (77, 275484), (84, 252527), (121, 175308), (132, 160699), (154, 137742), (231, 91828), (242, 87654), (308, 68871), (363, 58436), (462, 45914), (484, 43827), (726, 29218), (847, 25044), (924, 22957), (1452, 14609), (1694, 12522), (2087, 10164), (2541, 8348), (3388, 6261), (4174, 5082)]