21758344

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3329}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 43956000

約数和(自身を除く): 22197656

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 3329, 6536, 6658, 13316, 26632, 63251, 126502, 143147, 253004, 286294, 506008, 572588, 1145176, 2719793, 5439586, 10879172, 21758344]

約数ペア:

[(1, 21758344), (2, 10879172), (4, 5439586), (8, 2719793), (19, 1145176), (38, 572588), (43, 506008), (76, 286294), (86, 253004), (152, 143147), (172, 126502), (344, 63251), (817, 26632), (1634, 13316), (3268, 6658), (3329, 6536)]