21126072

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 58988160

約数和(自身を除く): 37862088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1861, 1892, 2838, 3722, 3784, 5583, 5676, 7444, 11166, 11352, 14888, 20471, 22332, 40942, 44664, 61413, 80023, 81884, 122826, 160046, 163768, 240069, 245652, 320092, 480138, 491304, 640184, 880253, 960276, 1760506, 1920552, 2640759, 3521012, 5281518, 7042024, 10563036, 21126072]

約数ペア:

[(1, 21126072), (2, 10563036), (3, 7042024), (4, 5281518), (6, 3521012), (8, 2640759), (11, 1920552), (12, 1760506), (22, 960276), (24, 880253), (33, 640184), (43, 491304), (44, 480138), (66, 320092), (86, 245652), (88, 240069), (129, 163768), (132, 160046), (172, 122826), (258, 81884), (264, 80023), (344, 61413), (473, 44664), (516, 40942), (946, 22332), (1032, 20471), (1419, 14888), (1861, 11352), (1892, 11166), (2838, 7444), (3722, 5676), (3784, 5583)]