21508536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 65427840

約数和(自身を除く): 43919304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 289, 357, 408, 443, 476, 578, 714, 867, 886, 952, 1156, 1329, 1428, 1734, 1772, 2023, 2312, 2658, 2856, 3101, 3468, 3544, 4046, 5316, 6069, 6202, 6936, 7531, 8092, 9303, 10632, 12138, 12404, 15062, 16184, 18606, 22593, 24276, 24808, 30124, 37212, 45186, 48552, 52717, 60248, 74424, 90372, 105434, 128027, 158151, 180744, 210868, 256054, 316302, 384081, 421736, 512108, 632604, 768162, 896189, 1024216, 1265208, 1536324, 1792378, 2688567, 3072648, 3584756, 5377134, 7169512, 10754268, 21508536]

約数ペア:

[(1, 21508536), (2, 10754268), (3, 7169512), (4, 5377134), (6, 3584756), (7, 3072648), (8, 2688567), (12, 1792378), (14, 1536324), (17, 1265208), (21, 1024216), (24, 896189), (28, 768162), (34, 632604), (42, 512108), (51, 421736), (56, 384081), (68, 316302), (84, 256054), (102, 210868), (119, 180744), (136, 158151), (168, 128027), (204, 105434), (238, 90372), (289, 74424), (357, 60248), (408, 52717), (443, 48552), (476, 45186), (578, 37212), (714, 30124), (867, 24808), (886, 24276), (952, 22593), (1156, 18606), (1329, 16184), (1428, 15062), (1734, 12404), (1772, 12138), (2023, 10632), (2312, 9303), (2658, 8092), (2856, 7531), (3101, 6936), (3468, 6202), (3544, 6069), (4046, 5316)]