21000895454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4159}}^1\times {\mathrm{32789}}^1$

素因数の和:36968

約数の個数: 32

約数和(自身を含む): 39285043200

約数和(自身を除く): 18284147746

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4159, 8318, 29113, 32789, 45749, 58226, 65578, 91498, 229523, 320243, 360679, 459046, 640486, 721358, 2524753, 5049506, 136369451, 272738902, 954586157, 1500063961, 1909172314, 3000127922, 10500447727, 21000895454]

約数ペア:

[(1, 21000895454), (2, 10500447727), (7, 3000127922), (11, 1909172314), (14, 1500063961), (22, 954586157), (77, 272738902), (154, 136369451), (4159, 5049506), (8318, 2524753), (29113, 721358), (32789, 640486), (45749, 459046), (58226, 360679), (65578, 320243), (91498, 229523)]