21483144

素因数分解:

$2^3\times 3^5\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 61981920

約数和(自身を除く): 40498776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 243, 257, 258, 324, 344, 387, 486, 514, 516, 648, 771, 774, 972, 1028, 1032, 1161, 1542, 1548, 1944, 2056, 2313, 2322, 3084, 3096, 3483, 4626, 4644, 6168, 6939, 6966, 9252, 9288, 10449, 11051, 13878, 13932, 18504, 20817, 20898, 22102, 27756, 27864, 33153, 41634, 41796, 44204, 55512, 62451, 66306, 83268, 83592, 88408, 99459, 124902, 132612, 166536, 198918, 249804, 265224, 298377, 397836, 499608, 596754, 795672, 895131, 1193508, 1790262, 2387016, 2685393, 3580524, 5370786, 7161048, 10741572, 21483144]

約数ペア:

[(1, 21483144), (2, 10741572), (3, 7161048), (4, 5370786), (6, 3580524), (8, 2685393), (9, 2387016), (12, 1790262), (18, 1193508), (24, 895131), (27, 795672), (36, 596754), (43, 499608), (54, 397836), (72, 298377), (81, 265224), (86, 249804), (108, 198918), (129, 166536), (162, 132612), (172, 124902), (216, 99459), (243, 88408), (257, 83592), (258, 83268), (324, 66306), (344, 62451), (387, 55512), (486, 44204), (514, 41796), (516, 41634), (648, 33153), (771, 27864), (774, 27756), (972, 22102), (1028, 20898), (1032, 20817), (1161, 18504), (1542, 13932), (1548, 13878), (1944, 11051), (2056, 10449), (2313, 9288), (2322, 9252), (3084, 6966), (3096, 6939), (3483, 6168), (4626, 4644)]