21043974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7057}}^1$

素因数の和:7140

約数の個数: 32

約数和(自身を含む): 48784896

約数和(自身を除く): 27740922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7057, 14114, 21171, 42342, 49399, 98798, 148197, 296394, 501047, 1002094, 1503141, 3006282, 3507329, 7014658, 10521987, 21043974]

約数ペア:

[(1, 21043974), (2, 10521987), (3, 7014658), (6, 3507329), (7, 3006282), (14, 1503141), (21, 1002094), (42, 501047), (71, 296394), (142, 148197), (213, 98798), (426, 49399), (497, 42342), (994, 21171), (1491, 14114), (2982, 7057)]