21612528

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{1021}}^1$

素因数の和:1052

約数の個数: 120

約数和(自身を含む): 72234960

約数和(自身を除く): 50622432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1021, 1176, 1323, 1512, 1764, 2042, 2352, 2646, 3024, 3063, 3528, 4084, 5292, 6126, 7056, 7147, 8168, 9189, 10584, 12252, 14294, 16336, 18378, 21168, 21441, 24504, 27567, 28588, 36756, 42882, 49008, 50029, 55134, 57176, 64323, 73512, 85764, 100058, 110268, 114352, 128646, 147024, 150087, 171528, 192969, 200116, 220536, 257292, 300174, 343056, 385938, 400232, 441072, 450261, 514584, 600348, 771876, 800464, 900522, 1029168, 1200696, 1350783, 1543752, 1801044, 2401392, 2701566, 3087504, 3602088, 5403132, 7204176, 10806264, 21612528]

約数ペア:

[(1, 21612528), (2, 10806264), (3, 7204176), (4, 5403132), (6, 3602088), (7, 3087504), (8, 2701566), (9, 2401392), (12, 1801044), (14, 1543752), (16, 1350783), (18, 1200696), (21, 1029168), (24, 900522), (27, 800464), (28, 771876), (36, 600348), (42, 514584), (48, 450261), (49, 441072), (54, 400232), (56, 385938), (63, 343056), (72, 300174), (84, 257292), (98, 220536), (108, 200116), (112, 192969), (126, 171528), (144, 150087), (147, 147024), (168, 128646), (189, 114352), (196, 110268), (216, 100058), (252, 85764), (294, 73512), (336, 64323), (378, 57176), (392, 55134), (432, 50029), (441, 49008), (504, 42882), (588, 36756), (756, 28588), (784, 27567), (882, 24504), (1008, 21441), (1021, 21168), (1176, 18378), (1323, 16336), (1512, 14294), (1764, 12252), (2042, 10584), (2352, 9189), (2646, 8168), (3024, 7147), (3063, 7056), (3528, 6126), (4084, 5292)]