21518952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 46218648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 59, 78, 84, 91, 104, 118, 156, 167, 168, 177, 182, 236, 273, 312, 334, 354, 364, 413, 472, 501, 546, 668, 708, 728, 767, 826, 1002, 1092, 1169, 1239, 1336, 1416, 1534, 1652, 2004, 2171, 2184, 2301, 2338, 2478, 3068, 3304, 3507, 4008, 4342, 4602, 4676, 4956, 5369, 6136, 6513, 7014, 8684, 9204, 9352, 9853, 9912, 10738, 13026, 14028, 15197, 16107, 17368, 18408, 19706, 21476, 26052, 28056, 29559, 30394, 32214, 39412, 42952, 45591, 52104, 59118, 60788, 64428, 68971, 78824, 91182, 118236, 121576, 128089, 128856, 137942, 182364, 206913, 236472, 256178, 275884, 364728, 384267, 413826, 512356, 551768, 768534, 827652, 896623, 1024712, 1537068, 1655304, 1793246, 2689869, 3074136, 3586492, 5379738, 7172984, 10759476, 21518952]

約数ペア:

[(1, 21518952), (2, 10759476), (3, 7172984), (4, 5379738), (6, 3586492), (7, 3074136), (8, 2689869), (12, 1793246), (13, 1655304), (14, 1537068), (21, 1024712), (24, 896623), (26, 827652), (28, 768534), (39, 551768), (42, 512356), (52, 413826), (56, 384267), (59, 364728), (78, 275884), (84, 256178), (91, 236472), (104, 206913), (118, 182364), (156, 137942), (167, 128856), (168, 128089), (177, 121576), (182, 118236), (236, 91182), (273, 78824), (312, 68971), (334, 64428), (354, 60788), (364, 59118), (413, 52104), (472, 45591), (501, 42952), (546, 39412), (668, 32214), (708, 30394), (728, 29559), (767, 28056), (826, 26052), (1002, 21476), (1092, 19706), (1169, 18408), (1239, 17368), (1336, 16107), (1416, 15197), (1534, 14028), (1652, 13026), (2004, 10738), (2171, 9912), (2184, 9853), (2301, 9352), (2338, 9204), (2478, 8684), (3068, 7014), (3304, 6513), (3507, 6136), (4008, 5369), (4342, 4956), (4602, 4676)]