21513024

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:74

約数の個数: 168

約数和(自身を含む): 70728840

約数和(自身を除く): 49215816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 64, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 169, 192, 204, 208, 221, 234, 272, 288, 306, 312, 338, 408, 416, 442, 468, 507, 544, 576, 612, 624, 663, 676, 816, 832, 884, 936, 1014, 1088, 1224, 1248, 1326, 1352, 1521, 1632, 1768, 1872, 1989, 2028, 2197, 2448, 2496, 2652, 2704, 2873, 3042, 3264, 3536, 3744, 3978, 4056, 4394, 4896, 5304, 5408, 5746, 6084, 6591, 7072, 7488, 7956, 8112, 8619, 8788, 9792, 10608, 10816, 11492, 12168, 13182, 14144, 15912, 16224, 17238, 17576, 19773, 21216, 22984, 24336, 25857, 26364, 31824, 32448, 34476, 35152, 37349, 39546, 42432, 45968, 48672, 51714, 52728, 63648, 68952, 70304, 74698, 79092, 91936, 97344, 103428, 105456, 112047, 127296, 137904, 140608, 149396, 158184, 183872, 206856, 210912, 224094, 275808, 298792, 316368, 336141, 413712, 421824, 448188, 551616, 597584, 632736, 672282, 827424, 896376, 1195168, 1265472, 1344564, 1654848, 1792752, 2390336, 2689128, 3585504, 5378256, 7171008, 10756512, 21513024]

約数ペア:

[(1, 21513024), (2, 10756512), (3, 7171008), (4, 5378256), (6, 3585504), (8, 2689128), (9, 2390336), (12, 1792752), (13, 1654848), (16, 1344564), (17, 1265472), (18, 1195168), (24, 896376), (26, 827424), (32, 672282), (34, 632736), (36, 597584), (39, 551616), (48, 448188), (51, 421824), (52, 413712), (64, 336141), (68, 316368), (72, 298792), (78, 275808), (96, 224094), (102, 210912), (104, 206856), (117, 183872), (136, 158184), (144, 149396), (153, 140608), (156, 137904), (169, 127296), (192, 112047), (204, 105456), (208, 103428), (221, 97344), (234, 91936), (272, 79092), (288, 74698), (306, 70304), (312, 68952), (338, 63648), (408, 52728), (416, 51714), (442, 48672), (468, 45968), (507, 42432), (544, 39546), (576, 37349), (612, 35152), (624, 34476), (663, 32448), (676, 31824), (816, 26364), (832, 25857), (884, 24336), (936, 22984), (1014, 21216), (1088, 19773), (1224, 17576), (1248, 17238), (1326, 16224), (1352, 15912), (1521, 14144), (1632, 13182), (1768, 12168), (1872, 11492), (1989, 10816), (2028, 10608), (2197, 9792), (2448, 8788), (2496, 8619), (2652, 8112), (2704, 7956), (2873, 7488), (3042, 7072), (3264, 6591), (3536, 6084), (3744, 5746), (3978, 5408), (4056, 5304), (4394, 4896)]