21264810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 37659990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 929, 1090, 1526, 1635, 1858, 2289, 2787, 3270, 3815, 4578, 4645, 5574, 6503, 7630, 9290, 11445, 13006, 13935, 19509, 22890, 27870, 32515, 39018, 65030, 97545, 101261, 195090, 202522, 303783, 506305, 607566, 708827, 1012610, 1417654, 1518915, 2126481, 3037830, 3544135, 4252962, 7088270, 10632405, 21264810]

約数ペア:

[(1, 21264810), (2, 10632405), (3, 7088270), (5, 4252962), (6, 3544135), (7, 3037830), (10, 2126481), (14, 1518915), (15, 1417654), (21, 1012610), (30, 708827), (35, 607566), (42, 506305), (70, 303783), (105, 202522), (109, 195090), (210, 101261), (218, 97545), (327, 65030), (545, 39018), (654, 32515), (763, 27870), (929, 22890), (1090, 19509), (1526, 13935), (1635, 13006), (1858, 11445), (2289, 9290), (2787, 7630), (3270, 6503), (3815, 5574), (4578, 4645)]