21728304

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 69370560

約数和(自身を除く): 47642256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 53, 54, 72, 73, 78, 104, 106, 108, 117, 144, 146, 156, 159, 208, 212, 216, 219, 234, 292, 312, 318, 351, 424, 432, 438, 468, 477, 584, 624, 636, 657, 689, 702, 848, 876, 936, 949, 954, 1168, 1272, 1314, 1378, 1404, 1431, 1752, 1872, 1898, 1908, 1971, 2067, 2544, 2628, 2756, 2808, 2847, 2862, 3504, 3796, 3816, 3869, 3942, 4134, 5256, 5512, 5616, 5694, 5724, 6201, 7592, 7632, 7738, 7884, 8268, 8541, 10512, 11024, 11388, 11448, 11607, 12402, 15184, 15476, 15768, 16536, 17082, 18603, 22776, 22896, 23214, 24804, 25623, 30952, 31536, 33072, 34164, 34821, 37206, 45552, 46428, 49608, 50297, 51246, 61904, 68328, 69642, 74412, 92856, 99216, 100594, 102492, 104463, 136656, 139284, 148824, 150891, 185712, 201188, 204984, 208926, 278568, 297648, 301782, 402376, 409968, 417852, 452673, 557136, 603564, 804752, 835704, 905346, 1207128, 1358019, 1671408, 1810692, 2414256, 2716038, 3621384, 5432076, 7242768, 10864152, 21728304]

約数ペア:

[(1, 21728304), (2, 10864152), (3, 7242768), (4, 5432076), (6, 3621384), (8, 2716038), (9, 2414256), (12, 1810692), (13, 1671408), (16, 1358019), (18, 1207128), (24, 905346), (26, 835704), (27, 804752), (36, 603564), (39, 557136), (48, 452673), (52, 417852), (53, 409968), (54, 402376), (72, 301782), (73, 297648), (78, 278568), (104, 208926), (106, 204984), (108, 201188), (117, 185712), (144, 150891), (146, 148824), (156, 139284), (159, 136656), (208, 104463), (212, 102492), (216, 100594), (219, 99216), (234, 92856), (292, 74412), (312, 69642), (318, 68328), (351, 61904), (424, 51246), (432, 50297), (438, 49608), (468, 46428), (477, 45552), (584, 37206), (624, 34821), (636, 34164), (657, 33072), (689, 31536), (702, 30952), (848, 25623), (876, 24804), (936, 23214), (949, 22896), (954, 22776), (1168, 18603), (1272, 17082), (1314, 16536), (1378, 15768), (1404, 15476), (1431, 15184), (1752, 12402), (1872, 11607), (1898, 11448), (1908, 11388), (1971, 11024), (2067, 10512), (2544, 8541), (2628, 8268), (2756, 7884), (2808, 7738), (2847, 7632), (2862, 7592), (3504, 6201), (3796, 5724), (3816, 5694), (3869, 5616), (3942, 5512), (4134, 5256)]