21447888

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{829}}^1$

素因数の和:865

約数の個数: 120

約数和(自身を含む): 70397280

約数和(自身を除く): 48949392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 132, 147, 154, 168, 176, 196, 231, 264, 294, 308, 336, 392, 462, 528, 539, 588, 616, 784, 829, 924, 1078, 1176, 1232, 1617, 1658, 1848, 2156, 2352, 2487, 3234, 3316, 3696, 4312, 4974, 5803, 6468, 6632, 8624, 9119, 9948, 11606, 12936, 13264, 17409, 18238, 19896, 23212, 25872, 27357, 34818, 36476, 39792, 40621, 46424, 54714, 63833, 69636, 72952, 81242, 92848, 109428, 121863, 127666, 139272, 145904, 162484, 191499, 218856, 243726, 255332, 278544, 324968, 382998, 437712, 446831, 487452, 510664, 649936, 765996, 893662, 974904, 1021328, 1340493, 1531992, 1787324, 1949808, 2680986, 3063984, 3574648, 5361972, 7149296, 10723944, 21447888]

約数ペア:

[(1, 21447888), (2, 10723944), (3, 7149296), (4, 5361972), (6, 3574648), (7, 3063984), (8, 2680986), (11, 1949808), (12, 1787324), (14, 1531992), (16, 1340493), (21, 1021328), (22, 974904), (24, 893662), (28, 765996), (33, 649936), (42, 510664), (44, 487452), (48, 446831), (49, 437712), (56, 382998), (66, 324968), (77, 278544), (84, 255332), (88, 243726), (98, 218856), (112, 191499), (132, 162484), (147, 145904), (154, 139272), (168, 127666), (176, 121863), (196, 109428), (231, 92848), (264, 81242), (294, 72952), (308, 69636), (336, 63833), (392, 54714), (462, 46424), (528, 40621), (539, 39792), (588, 36476), (616, 34818), (784, 27357), (829, 25872), (924, 23212), (1078, 19896), (1176, 18238), (1232, 17409), (1617, 13264), (1658, 12936), (1848, 11606), (2156, 9948), (2352, 9119), (2487, 8624), (3234, 6632), (3316, 6468), (3696, 5803), (4312, 4974)]