21302568

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 68908800

約数和(自身を除く): 47606232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 73, 84, 108, 126, 146, 168, 189, 193, 216, 219, 252, 292, 378, 386, 438, 504, 511, 579, 584, 657, 756, 772, 876, 1022, 1158, 1314, 1351, 1512, 1533, 1544, 1737, 1752, 1971, 2044, 2316, 2628, 2702, 3066, 3474, 3942, 4053, 4088, 4599, 4632, 5211, 5256, 5404, 6132, 6948, 7884, 8106, 9198, 10422, 10808, 12159, 12264, 13797, 13896, 14089, 15768, 16212, 18396, 20844, 24318, 27594, 28178, 32424, 36477, 36792, 41688, 42267, 48636, 55188, 56356, 72954, 84534, 97272, 98623, 110376, 112712, 126801, 145908, 169068, 197246, 253602, 291816, 295869, 338136, 380403, 394492, 507204, 591738, 760806, 788984, 887607, 1014408, 1183476, 1521612, 1775214, 2366952, 2662821, 3043224, 3550428, 5325642, 7100856, 10651284, 21302568]

約数ペア:

[(1, 21302568), (2, 10651284), (3, 7100856), (4, 5325642), (6, 3550428), (7, 3043224), (8, 2662821), (9, 2366952), (12, 1775214), (14, 1521612), (18, 1183476), (21, 1014408), (24, 887607), (27, 788984), (28, 760806), (36, 591738), (42, 507204), (54, 394492), (56, 380403), (63, 338136), (72, 295869), (73, 291816), (84, 253602), (108, 197246), (126, 169068), (146, 145908), (168, 126801), (189, 112712), (193, 110376), (216, 98623), (219, 97272), (252, 84534), (292, 72954), (378, 56356), (386, 55188), (438, 48636), (504, 42267), (511, 41688), (579, 36792), (584, 36477), (657, 32424), (756, 28178), (772, 27594), (876, 24318), (1022, 20844), (1158, 18396), (1314, 16212), (1351, 15768), (1512, 14089), (1533, 13896), (1544, 13797), (1737, 12264), (1752, 12159), (1971, 10808), (2044, 10422), (2316, 9198), (2628, 8106), (2702, 7884), (3066, 6948), (3474, 6132), (3942, 5404), (4053, 5256), (4088, 5211), (4599, 4632)]