21186942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10733}}^1$

素因数の和:10792

約数の個数: 32

約数和(自身を含む): 49462272

約数和(自身を除く): 28275330

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10733, 21466, 32199, 64398, 75131, 150262, 225393, 450786, 504451, 1008902, 1513353, 3026706, 3531157, 7062314, 10593471, 21186942]

約数ペア:

[(1, 21186942), (2, 10593471), (3, 7062314), (6, 3531157), (7, 3026706), (14, 1513353), (21, 1008902), (42, 504451), (47, 450786), (94, 225393), (141, 150262), (282, 75131), (329, 64398), (658, 32199), (987, 21466), (1974, 10733)]