21435724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12263}}^1$

素因数の和:12309

約数の個数: 24

約数和(自身を含む): 41207040

約数和(自身を除く): 19771316

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12263, 24526, 49052, 232997, 282049, 465994, 564098, 931988, 1128196, 5358931, 10717862, 21435724]

約数ペア:

[(1, 21435724), (2, 10717862), (4, 5358931), (19, 1128196), (23, 931988), (38, 564098), (46, 465994), (76, 282049), (92, 232997), (437, 49052), (874, 24526), (1748, 12263)]