21125610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2371}}^1$

素因数の和:2401

約数の個数: 80

約数和(自身を含む): 61994592

約数和(自身を除く): 40868982

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2371, 2970, 4455, 4742, 7113, 8910, 11855, 14226, 21339, 23710, 26081, 35565, 42678, 52162, 64017, 71130, 78243, 106695, 128034, 130405, 156486, 192051, 213390, 234729, 260810, 320085, 384102, 391215, 469458, 640170, 704187, 782430, 960255, 1173645, 1408374, 1920510, 2112561, 2347290, 3520935, 4225122, 7041870, 10562805, 21125610]

約数ペア:

[(1, 21125610), (2, 10562805), (3, 7041870), (5, 4225122), (6, 3520935), (9, 2347290), (10, 2112561), (11, 1920510), (15, 1408374), (18, 1173645), (22, 960255), (27, 782430), (30, 704187), (33, 640170), (45, 469458), (54, 391215), (55, 384102), (66, 320085), (81, 260810), (90, 234729), (99, 213390), (110, 192051), (135, 156486), (162, 130405), (165, 128034), (198, 106695), (270, 78243), (297, 71130), (330, 64017), (405, 52162), (495, 42678), (594, 35565), (810, 26081), (891, 23710), (990, 21339), (1485, 14226), (1782, 11855), (2371, 8910), (2970, 7113), (4455, 4742)]