21269754

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 54587520

約数和(自身を除く): 33317766

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 71, 89, 99, 102, 142, 153, 178, 187, 198, 213, 267, 306, 374, 426, 534, 561, 639, 781, 801, 979, 1122, 1207, 1278, 1513, 1562, 1602, 1683, 1958, 2343, 2414, 2937, 3026, 3366, 3621, 4539, 4686, 5874, 6319, 7029, 7242, 8811, 9078, 10863, 12638, 13277, 13617, 14058, 16643, 17622, 18957, 21726, 26554, 27234, 33286, 37914, 39831, 49929, 56871, 69509, 79662, 99858, 107423, 113742, 119493, 139018, 149787, 208527, 214846, 238986, 299574, 322269, 417054, 625581, 644538, 966807, 1181653, 1251162, 1933614, 2363306, 3544959, 7089918, 10634877, 21269754]

約数ペア:

[(1, 21269754), (2, 10634877), (3, 7089918), (6, 3544959), (9, 2363306), (11, 1933614), (17, 1251162), (18, 1181653), (22, 966807), (33, 644538), (34, 625581), (51, 417054), (66, 322269), (71, 299574), (89, 238986), (99, 214846), (102, 208527), (142, 149787), (153, 139018), (178, 119493), (187, 113742), (198, 107423), (213, 99858), (267, 79662), (306, 69509), (374, 56871), (426, 49929), (534, 39831), (561, 37914), (639, 33286), (781, 27234), (801, 26554), (979, 21726), (1122, 18957), (1207, 17622), (1278, 16643), (1513, 14058), (1562, 13617), (1602, 13277), (1683, 12638), (1958, 10863), (2343, 9078), (2414, 8811), (2937, 7242), (3026, 7029), (3366, 6319), (3621, 5874), (4539, 4686)]