21163312

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 22048208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 131, 184, 262, 368, 439, 524, 878, 1048, 1756, 2096, 3013, 3512, 6026, 7024, 10097, 12052, 20194, 24104, 40388, 48208, 57509, 80776, 115018, 161552, 230036, 460072, 920144, 1322707, 2645414, 5290828, 10581656, 21163312]

約数ペア:

[(1, 21163312), (2, 10581656), (4, 5290828), (8, 2645414), (16, 1322707), (23, 920144), (46, 460072), (92, 230036), (131, 161552), (184, 115018), (262, 80776), (368, 57509), (439, 48208), (524, 40388), (878, 24104), (1048, 20194), (1756, 12052), (2096, 10097), (3013, 7024), (3512, 6026)]