21047026

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10513}}^1$

素因数の和:10546

約数の個数: 32

約数和(自身を含む): 42392448

約数和(自身を除く): 21345422

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10513, 21026, 73591, 115643, 136669, 147182, 231286, 273338, 809501, 956683, 1503359, 1619002, 1913366, 3006718, 10523513, 21047026]

約数ペア:

[(1, 21047026), (2, 10523513), (7, 3006718), (11, 1913366), (13, 1619002), (14, 1503359), (22, 956683), (26, 809501), (77, 273338), (91, 231286), (143, 147182), (154, 136669), (182, 115643), (286, 73591), (1001, 21026), (2002, 10513)]