21226783860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{17401}}^1$

素因数の和:17676

約数の個数: 144

約数和(自身を含む): 67042527552

約数和(自身を除く): 45815743692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 251, 270, 324, 405, 486, 502, 540, 753, 810, 972, 1004, 1215, 1255, 1506, 1620, 2259, 2430, 2510, 3012, 3765, 4518, 4860, 5020, 6777, 7530, 9036, 11295, 13554, 15060, 17401, 20331, 22590, 27108, 33885, 34802, 40662, 45180, 52203, 60993, 67770, 69604, 81324, 87005, 101655, 104406, 121986, 135540, 156609, 174010, 203310, 208812, 243972, 261015, 304965, 313218, 348020, 406620, 469827, 522030, 609930, 626436, 783045, 939654, 1044060, 1219860, 1409481, 1566090, 1879308, 2349135, 2818962, 3132180, 4228443, 4367651, 4698270, 5637924, 7047405, 8456886, 8735302, 9396540, 13102953, 14094810, 16913772, 17470604, 21142215, 21838255, 26205906, 28189620, 39308859, 42284430, 43676510, 52411812, 65514765, 78617718, 84568860, 87353020, 117926577, 131029530, 157235436, 196544295, 235853154, 262059060, 353779731, 393088590, 471706308, 589632885, 707559462, 786177180, 1061339193, 1179265770, 1415118924, 1768898655, 2122678386, 2358531540, 3537797310, 4245356772, 5306695965, 7075594620, 10613391930, 21226783860]

約数ペア:

[(1, 21226783860), (2, 10613391930), (3, 7075594620), (4, 5306695965), (5, 4245356772), (6, 3537797310), (9, 2358531540), (10, 2122678386), (12, 1768898655), (15, 1415118924), (18, 1179265770), (20, 1061339193), (27, 786177180), (30, 707559462), (36, 589632885), (45, 471706308), (54, 393088590), (60, 353779731), (81, 262059060), (90, 235853154), (108, 196544295), (135, 157235436), (162, 131029530), (180, 117926577), (243, 87353020), (251, 84568860), (270, 78617718), (324, 65514765), (405, 52411812), (486, 43676510), (502, 42284430), (540, 39308859), (753, 28189620), (810, 26205906), (972, 21838255), (1004, 21142215), (1215, 17470604), (1255, 16913772), (1506, 14094810), (1620, 13102953), (2259, 9396540), (2430, 8735302), (2510, 8456886), (3012, 7047405), (3765, 5637924), (4518, 4698270), (4860, 4367651), (5020, 4228443), (6777, 3132180), (7530, 2818962), (9036, 2349135), (11295, 1879308), (13554, 1566090), (15060, 1409481), (17401, 1219860), (20331, 1044060), (22590, 939654), (27108, 783045), (33885, 626436), (34802, 609930), (40662, 522030), (45180, 469827), (52203, 406620), (60993, 348020), (67770, 313218), (69604, 304965), (81324, 261015), (87005, 243972), (101655, 208812), (104406, 203310), (121986, 174010), (135540, 156609)]