21623091265

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{919}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 29080022400

約数和(自身を除く): 7456931135

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 857, 919, 1445, 1615, 4285, 4595, 5491, 14569, 15623, 16283, 17461, 27455, 72845, 78115, 81415, 87305, 247673, 265591, 276811, 296837, 787583, 1238365, 1327955, 1384055, 1484185, 3937915, 4705787, 5046229, 13388911, 14964077, 23528935, 25231145, 66944555, 74820385, 227611487, 254389309, 1138057435, 1271946545, 4324618253, 21623091265]

約数ペア:

[(1, 21623091265), (5, 4324618253), (17, 1271946545), (19, 1138057435), (85, 254389309), (95, 227611487), (289, 74820385), (323, 66944555), (857, 25231145), (919, 23528935), (1445, 14964077), (1615, 13388911), (4285, 5046229), (4595, 4705787), (5491, 3937915), (14569, 1484185), (15623, 1384055), (16283, 1327955), (17461, 1238365), (27455, 787583), (72845, 296837), (78115, 276811), (81415, 265591), (87305, 247673)]