21271872

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4817}}^1$

素因数の和:4855

約数の個数: 56

約数和(自身を含む): 58741056

約数和(自身を除く): 37469184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4817, 9634, 14451, 19268, 28902, 38536, 57804, 77072, 110791, 115608, 154144, 221582, 231216, 308288, 332373, 443164, 462432, 664746, 886328, 924864, 1329492, 1772656, 2658984, 3545312, 5317968, 7090624, 10635936, 21271872]

約数ペア:

[(1, 21271872), (2, 10635936), (3, 7090624), (4, 5317968), (6, 3545312), (8, 2658984), (12, 1772656), (16, 1329492), (23, 924864), (24, 886328), (32, 664746), (46, 462432), (48, 443164), (64, 332373), (69, 308288), (92, 231216), (96, 221582), (138, 154144), (184, 115608), (192, 110791), (276, 77072), (368, 57804), (552, 38536), (736, 28902), (1104, 19268), (1472, 14451), (2208, 9634), (4416, 4817)]