21042792

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39497688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 97, 131, 138, 184, 194, 207, 262, 276, 291, 388, 393, 414, 524, 552, 582, 776, 786, 828, 873, 1048, 1164, 1179, 1572, 1656, 1746, 2231, 2328, 2358, 3013, 3144, 3492, 4462, 4716, 6026, 6693, 6984, 8924, 9039, 9432, 12052, 12707, 13386, 17848, 18078, 20079, 24104, 25414, 26772, 27117, 36156, 38121, 40158, 50828, 53544, 54234, 72312, 76242, 80316, 101656, 108468, 114363, 152484, 160632, 216936, 228726, 292261, 304968, 457452, 584522, 876783, 914904, 1169044, 1753566, 2338088, 2630349, 3507132, 5260698, 7014264, 10521396, 21042792]

約数ペア:

[(1, 21042792), (2, 10521396), (3, 7014264), (4, 5260698), (6, 3507132), (8, 2630349), (9, 2338088), (12, 1753566), (18, 1169044), (23, 914904), (24, 876783), (36, 584522), (46, 457452), (69, 304968), (72, 292261), (92, 228726), (97, 216936), (131, 160632), (138, 152484), (184, 114363), (194, 108468), (207, 101656), (262, 80316), (276, 76242), (291, 72312), (388, 54234), (393, 53544), (414, 50828), (524, 40158), (552, 38121), (582, 36156), (776, 27117), (786, 26772), (828, 25414), (873, 24104), (1048, 20079), (1164, 18078), (1179, 17848), (1572, 13386), (1656, 12707), (1746, 12052), (2231, 9432), (2328, 9039), (2358, 8924), (3013, 6984), (3144, 6693), (3492, 6026), (4462, 4716)]