21286624710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54581089}}^1$

素因数の和:54581112

約数の個数: 32

約数和(自身を含む): 55017738720

約数和(自身を除く): 33731114010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54581089, 109162178, 163743267, 272905445, 327486534, 545810890, 709554157, 818716335, 1419108314, 1637432670, 2128662471, 3547770785, 4257324942, 7095541570, 10643312355, 21286624710]

約数ペア:

[(1, 21286624710), (2, 10643312355), (3, 7095541570), (5, 4257324942), (6, 3547770785), (10, 2128662471), (13, 1637432670), (15, 1419108314), (26, 818716335), (30, 709554157), (39, 545810890), (65, 327486534), (78, 272905445), (130, 163743267), (195, 109162178), (390, 54581089)]