21130145740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{17191}}^1$

素因数の和:17399

約数の個数: 96

約数和(自身を含む): 50047699968

約数和(自身を除く): 28917554228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 151, 185, 220, 302, 370, 407, 604, 740, 755, 814, 1510, 1628, 1661, 2035, 3020, 3322, 4070, 5587, 6644, 8140, 8305, 11174, 16610, 17191, 22348, 27935, 33220, 34382, 55870, 61457, 68764, 85955, 111740, 122914, 171910, 189101, 245828, 307285, 343820, 378202, 614570, 636067, 756404, 945505, 1229140, 1272134, 1891010, 2544268, 2595841, 3180335, 3782020, 5191682, 6360670, 6996737, 10383364, 12721340, 12979205, 13993474, 25958410, 27986948, 28554251, 34983685, 51916820, 57108502, 69967370, 96046117, 114217004, 139934740, 142771255, 192092234, 285542510, 384184468, 480230585, 571085020, 960461170, 1056507287, 1920922340, 2113014574, 4226029148, 5282536435, 10565072870, 21130145740]

約数ペア:

[(1, 21130145740), (2, 10565072870), (4, 5282536435), (5, 4226029148), (10, 2113014574), (11, 1920922340), (20, 1056507287), (22, 960461170), (37, 571085020), (44, 480230585), (55, 384184468), (74, 285542510), (110, 192092234), (148, 142771255), (151, 139934740), (185, 114217004), (220, 96046117), (302, 69967370), (370, 57108502), (407, 51916820), (604, 34983685), (740, 28554251), (755, 27986948), (814, 25958410), (1510, 13993474), (1628, 12979205), (1661, 12721340), (2035, 10383364), (3020, 6996737), (3322, 6360670), (4070, 5191682), (5587, 3782020), (6644, 3180335), (8140, 2595841), (8305, 2544268), (11174, 1891010), (16610, 1272134), (17191, 1229140), (22348, 945505), (27935, 756404), (33220, 636067), (34382, 614570), (55870, 378202), (61457, 343820), (68764, 307285), (85955, 245828), (111740, 189101), (122914, 171910)]