21027888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:951

約数の個数: 120

約数和(自身を含む): 70257408

約数和(自身を除く): 49229520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 907, 966, 1008, 1104, 1288, 1449, 1656, 1814, 1932, 2576, 2721, 2898, 3312, 3628, 3864, 5442, 5796, 6349, 7256, 7728, 8163, 10884, 11592, 12698, 14512, 16326, 19047, 20861, 21768, 23184, 25396, 32652, 38094, 41722, 43536, 50792, 57141, 62583, 65304, 76188, 83444, 101584, 114282, 125166, 130608, 146027, 152376, 166888, 187749, 228564, 250332, 292054, 304752, 333776, 375498, 438081, 457128, 500664, 584108, 750996, 876162, 914256, 1001328, 1168216, 1314243, 1501992, 1752324, 2336432, 2628486, 3003984, 3504648, 5256972, 7009296, 10513944, 21027888]

約数ペア:

[(1, 21027888), (2, 10513944), (3, 7009296), (4, 5256972), (6, 3504648), (7, 3003984), (8, 2628486), (9, 2336432), (12, 1752324), (14, 1501992), (16, 1314243), (18, 1168216), (21, 1001328), (23, 914256), (24, 876162), (28, 750996), (36, 584108), (42, 500664), (46, 457128), (48, 438081), (56, 375498), (63, 333776), (69, 304752), (72, 292054), (84, 250332), (92, 228564), (112, 187749), (126, 166888), (138, 152376), (144, 146027), (161, 130608), (168, 125166), (184, 114282), (207, 101584), (252, 83444), (276, 76188), (322, 65304), (336, 62583), (368, 57141), (414, 50792), (483, 43536), (504, 41722), (552, 38094), (644, 32652), (828, 25396), (907, 23184), (966, 21768), (1008, 20861), (1104, 19047), (1288, 16326), (1449, 14512), (1656, 12698), (1814, 11592), (1932, 10884), (2576, 8163), (2721, 7728), (2898, 7256), (3312, 6349), (3628, 5796), (3864, 5442)]