21771509765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{14669}}^1$

素因数の和:15629

約数の個数: 32

約数和(自身を含む): 29152224000

約数和(自身を除く): 7380714235

約数列:

[1, 5, 17, 19, 85, 95, 323, 919, 1615, 4595, 14669, 15623, 17461, 73345, 78115, 87305, 249373, 278711, 296837, 1246865, 1393555, 1484185, 4738087, 13480811, 23690435, 67404055, 229173787, 256135409, 1145868935, 1280677045, 4354301953, 21771509765]

約数ペア:

[(1, 21771509765), (5, 4354301953), (17, 1280677045), (19, 1145868935), (85, 256135409), (95, 229173787), (323, 67404055), (919, 23690435), (1615, 13480811), (4595, 4738087), (14669, 1484185), (15623, 1393555), (17461, 1246865), (73345, 296837), (78115, 278711), (87305, 249373)]