21014778727943

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9643}}^1\times {\mathrm{2177101}}^1$

素因数の和:2186775

約数の個数: 32

約数和(自身を含む): 28218585948672

約数和(自身を除く): 7203807220729

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 9643, 67501, 106073, 125359, 742511, 877513, 1378949, 2177101, 9652643, 15239707, 23948111, 28302313, 167636777, 198116191, 311325443, 2179278101, 20993784943, 146956494601, 230931634373, 272919204259, 1616521440611, 1910434429813, 3002111246849, 21014778727943]

約数ペア:

[(1, 21014778727943), (7, 3002111246849), (11, 1910434429813), (13, 1616521440611), (77, 272919204259), (91, 230931634373), (143, 146956494601), (1001, 20993784943), (9643, 2179278101), (67501, 311325443), (106073, 198116191), (125359, 167636777), (742511, 28302313), (877513, 23948111), (1378949, 15239707), (2177101, 9652643)]