21679165260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1065839}}^1$

素因数の和:1065967

約数の個数: 72

約数和(自身を含む): 66342144960

約数和(自身を除く): 44662979700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1695, 2034, 2260, 3390, 4068, 5085, 6780, 10170, 20340, 1065839, 2131678, 3197517, 4263356, 5329195, 6395034, 9592551, 10658390, 12790068, 15987585, 19185102, 21316780, 31975170, 38370204, 47962755, 63950340, 95925510, 120439807, 191851020, 240879614, 361319421, 481759228, 602199035, 722638842, 1083958263, 1204398070, 1445277684, 1806597105, 2167916526, 2408796140, 3613194210, 4335833052, 5419791315, 7226388420, 10839582630, 21679165260]

約数ペア:

[(1, 21679165260), (2, 10839582630), (3, 7226388420), (4, 5419791315), (5, 4335833052), (6, 3613194210), (9, 2408796140), (10, 2167916526), (12, 1806597105), (15, 1445277684), (18, 1204398070), (20, 1083958263), (30, 722638842), (36, 602199035), (45, 481759228), (60, 361319421), (90, 240879614), (113, 191851020), (180, 120439807), (226, 95925510), (339, 63950340), (452, 47962755), (565, 38370204), (678, 31975170), (1017, 21316780), (1130, 19185102), (1356, 15987585), (1695, 12790068), (2034, 10658390), (2260, 9592551), (3390, 6395034), (4068, 5329195), (5085, 4263356), (6780, 3197517), (10170, 2131678), (20340, 1065839)]