21464568

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2369

約数の個数: 64

約数和(自身を含む): 61036800

約数和(自身を除く): 39572232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2311, 2322, 3096, 4622, 4644, 6933, 9244, 9288, 13866, 18488, 20799, 27732, 41598, 55464, 62397, 83196, 99373, 124794, 166392, 198746, 249588, 298119, 397492, 499176, 596238, 794984, 894357, 1192476, 1788714, 2384952, 2683071, 3577428, 5366142, 7154856, 10732284, 21464568]

約数ペア:

[(1, 21464568), (2, 10732284), (3, 7154856), (4, 5366142), (6, 3577428), (8, 2683071), (9, 2384952), (12, 1788714), (18, 1192476), (24, 894357), (27, 794984), (36, 596238), (43, 499176), (54, 397492), (72, 298119), (86, 249588), (108, 198746), (129, 166392), (172, 124794), (216, 99373), (258, 83196), (344, 62397), (387, 55464), (516, 41598), (774, 27732), (1032, 20799), (1161, 18488), (1548, 13866), (2311, 9288), (2322, 9244), (3096, 6933), (4622, 4644)]