21212789994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{569}}^1\times {\mathrm{17117}}^1$

素因数の和:17716

約数の個数: 72

約数和(自身を含む): 50610907620

約数和(自身を除く): 29398117626

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 569, 726, 1089, 1138, 1707, 2178, 3414, 5121, 6259, 10242, 12518, 17117, 18777, 34234, 37554, 51351, 56331, 68849, 102702, 112662, 137698, 154053, 188287, 206547, 308106, 376574, 413094, 564861, 619641, 1129722, 1239282, 1694583, 2071157, 3389166, 4142314, 6213471, 9739573, 12426942, 18640413, 19479146, 29218719, 37280826, 58437438, 87656157, 107135303, 175312314, 214270606, 321405909, 642811818, 964217727, 1178488333, 1928435454, 2356976666, 3535464999, 7070929998, 10606394997, 21212789994]

約数ペア:

[(1, 21212789994), (2, 10606394997), (3, 7070929998), (6, 3535464999), (9, 2356976666), (11, 1928435454), (18, 1178488333), (22, 964217727), (33, 642811818), (66, 321405909), (99, 214270606), (121, 175312314), (198, 107135303), (242, 87656157), (363, 58437438), (569, 37280826), (726, 29218719), (1089, 19479146), (1138, 18640413), (1707, 12426942), (2178, 9739573), (3414, 6213471), (5121, 4142314), (6259, 3389166), (10242, 2071157), (12518, 1694583), (17117, 1239282), (18777, 1129722), (34234, 619641), (37554, 564861), (51351, 413094), (56331, 376574), (68849, 308106), (102702, 206547), (112662, 188287), (137698, 154053)]