21265104

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3368

約数の個数: 80

約数和(自身を含む): 66106880

約数和(自身を除く): 44841776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 3331, 6384, 6662, 9993, 13324, 19986, 23317, 26648, 39972, 46634, 53296, 63289, 69951, 79944, 93268, 126578, 139902, 159888, 186536, 189867, 253156, 279804, 373072, 379734, 443023, 506312, 559608, 759468, 886046, 1012624, 1119216, 1329069, 1518936, 1772092, 2658138, 3037872, 3544184, 5316276, 7088368, 10632552, 21265104]

約数ペア:

[(1, 21265104), (2, 10632552), (3, 7088368), (4, 5316276), (6, 3544184), (7, 3037872), (8, 2658138), (12, 1772092), (14, 1518936), (16, 1329069), (19, 1119216), (21, 1012624), (24, 886046), (28, 759468), (38, 559608), (42, 506312), (48, 443023), (56, 379734), (57, 373072), (76, 279804), (84, 253156), (112, 189867), (114, 186536), (133, 159888), (152, 139902), (168, 126578), (228, 93268), (266, 79944), (304, 69951), (336, 63289), (399, 53296), (456, 46634), (532, 39972), (798, 26648), (912, 23317), (1064, 19986), (1596, 13324), (2128, 9993), (3192, 6662), (3331, 6384)]