21170016

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10501}}^1$

素因数の和:10524

約数の個数: 72

約数和(自身を含む): 68809104

約数和(自身を除く): 47639088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10501, 21002, 31503, 42004, 63006, 73507, 84008, 94509, 126012, 147014, 168016, 189018, 220521, 252024, 294028, 336032, 378036, 441042, 504048, 588056, 661563, 756072, 882084, 1008096, 1176112, 1323126, 1512144, 1764168, 2352224, 2646252, 3024288, 3528336, 5292504, 7056672, 10585008, 21170016]

約数ペア:

[(1, 21170016), (2, 10585008), (3, 7056672), (4, 5292504), (6, 3528336), (7, 3024288), (8, 2646252), (9, 2352224), (12, 1764168), (14, 1512144), (16, 1323126), (18, 1176112), (21, 1008096), (24, 882084), (28, 756072), (32, 661563), (36, 588056), (42, 504048), (48, 441042), (56, 378036), (63, 336032), (72, 294028), (84, 252024), (96, 220521), (112, 189018), (126, 168016), (144, 147014), (168, 126012), (224, 94509), (252, 84008), (288, 73507), (336, 63006), (504, 42004), (672, 31503), (1008, 21002), (2016, 10501)]