21497788811

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1327}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 23559782400

約数和(自身を除く): 2061993589

約数列:

[1, 19, 43, 79, 251, 817, 1327, 1501, 3397, 4769, 10793, 19829, 25213, 57061, 64543, 104833, 205067, 333077, 376751, 852647, 1084159, 1991827, 4507819, 6328463, 14322311, 16200293, 26313083, 85648561, 272123909, 499948577, 1131462569, 21497788811]

約数ペア:

[(1, 21497788811), (19, 1131462569), (43, 499948577), (79, 272123909), (251, 85648561), (817, 26313083), (1327, 16200293), (1501, 14322311), (3397, 6328463), (4769, 4507819), (10793, 1991827), (19829, 1084159), (25213, 852647), (57061, 376751), (64543, 333077), (104833, 205067)]