21440624784

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{69761}}^1$

素因数の和:70128

約数の個数: 80

約数和(自身を含む): 58477298880

約数和(自身を除く): 37036674096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 337, 456, 674, 912, 1011, 1348, 2022, 2696, 4044, 5392, 6403, 8088, 12806, 16176, 19209, 25612, 38418, 51224, 69761, 76836, 102448, 139522, 153672, 209283, 279044, 307344, 418566, 558088, 837132, 1116176, 1325459, 1674264, 2650918, 3348528, 3976377, 5301836, 7952754, 10603672, 15905508, 21207344, 23509457, 31811016, 47018914, 63622032, 70528371, 94037828, 141056742, 188075656, 282113484, 376151312, 446679683, 564226968, 893359366, 1128453936, 1340039049, 1786718732, 2680078098, 3573437464, 5360156196, 7146874928, 10720312392, 21440624784]

約数ペア:

[(1, 21440624784), (2, 10720312392), (3, 7146874928), (4, 5360156196), (6, 3573437464), (8, 2680078098), (12, 1786718732), (16, 1340039049), (19, 1128453936), (24, 893359366), (38, 564226968), (48, 446679683), (57, 376151312), (76, 282113484), (114, 188075656), (152, 141056742), (228, 94037828), (304, 70528371), (337, 63622032), (456, 47018914), (674, 31811016), (912, 23509457), (1011, 21207344), (1348, 15905508), (2022, 10603672), (2696, 7952754), (4044, 5301836), (5392, 3976377), (6403, 3348528), (8088, 2650918), (12806, 1674264), (16176, 1325459), (19209, 1116176), (25612, 837132), (38418, 558088), (51224, 418566), (69761, 307344), (76836, 279044), (102448, 209283), (139522, 153672)]