21497830

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18418970

約数列:

[1, 2, 5, 10, 59, 83, 118, 166, 295, 415, 439, 590, 830, 878, 2195, 4390, 4897, 9794, 24485, 25901, 36437, 48970, 51802, 72874, 129505, 182185, 259010, 364370, 2149783, 4299566, 10748915, 21497830]

約数ペア:

[(1, 21497830), (2, 10748915), (5, 4299566), (10, 2149783), (59, 364370), (83, 259010), (118, 182185), (166, 129505), (295, 72874), (415, 51802), (439, 48970), (590, 36437), (830, 25901), (878, 24485), (2195, 9794), (4390, 4897)]