21505332

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 30652620

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 426, 516, 587, 852, 1174, 1761, 2348, 3053, 3522, 6106, 7044, 9159, 12212, 18318, 25241, 36636, 41677, 50482, 75723, 83354, 100964, 125031, 151446, 166708, 250062, 302892, 500124, 1792111, 3584222, 5376333, 7168444, 10752666, 21505332]

約数ペア:

[(1, 21505332), (2, 10752666), (3, 7168444), (4, 5376333), (6, 3584222), (12, 1792111), (43, 500124), (71, 302892), (86, 250062), (129, 166708), (142, 151446), (172, 125031), (213, 100964), (258, 83354), (284, 75723), (426, 50482), (516, 41677), (587, 36636), (852, 25241), (1174, 18318), (1761, 12212), (2348, 9159), (3053, 7044), (3522, 6106)]