21491921616

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{866051}}^1$

素因数の和:866120

約数の個数: 80

約数和(自身を含む): 61856898048

約数和(自身を除く): 40364976432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 47, 48, 66, 88, 94, 132, 141, 176, 188, 264, 282, 376, 517, 528, 564, 752, 1034, 1128, 1551, 2068, 2256, 3102, 4136, 6204, 8272, 12408, 24816, 866051, 1732102, 2598153, 3464204, 5196306, 6928408, 9526561, 10392612, 13856816, 19053122, 20785224, 28579683, 38106244, 40704397, 41570448, 57159366, 76212488, 81408794, 114318732, 122113191, 152424976, 162817588, 228637464, 244226382, 325635176, 447748367, 457274928, 488452764, 651270352, 895496734, 976905528, 1343245101, 1790993468, 1953811056, 2686490202, 3581986936, 5372980404, 7163973872, 10745960808, 21491921616]

約数ペア:

[(1, 21491921616), (2, 10745960808), (3, 7163973872), (4, 5372980404), (6, 3581986936), (8, 2686490202), (11, 1953811056), (12, 1790993468), (16, 1343245101), (22, 976905528), (24, 895496734), (33, 651270352), (44, 488452764), (47, 457274928), (48, 447748367), (66, 325635176), (88, 244226382), (94, 228637464), (132, 162817588), (141, 152424976), (176, 122113191), (188, 114318732), (264, 81408794), (282, 76212488), (376, 57159366), (517, 41570448), (528, 40704397), (564, 38106244), (752, 28579683), (1034, 20785224), (1128, 19053122), (1551, 13856816), (2068, 10392612), (2256, 9526561), (3102, 6928408), (4136, 5196306), (6204, 3464204), (8272, 2598153), (12408, 1732102), (24816, 866051)]