21083664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 41769456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 479, 524, 786, 917, 958, 1048, 1437, 1572, 1834, 1916, 2096, 2751, 2874, 3144, 3353, 3668, 3832, 5502, 5748, 6288, 6706, 7336, 7664, 10059, 11004, 11496, 13412, 14672, 20118, 22008, 22992, 26824, 40236, 44016, 53648, 62749, 80472, 125498, 160944, 188247, 250996, 376494, 439243, 501992, 752988, 878486, 1003984, 1317729, 1505976, 1756972, 2635458, 3011952, 3513944, 5270916, 7027888, 10541832, 21083664]

約数ペア:

[(1, 21083664), (2, 10541832), (3, 7027888), (4, 5270916), (6, 3513944), (7, 3011952), (8, 2635458), (12, 1756972), (14, 1505976), (16, 1317729), (21, 1003984), (24, 878486), (28, 752988), (42, 501992), (48, 439243), (56, 376494), (84, 250996), (112, 188247), (131, 160944), (168, 125498), (262, 80472), (336, 62749), (393, 53648), (479, 44016), (524, 40236), (786, 26824), (917, 22992), (958, 22008), (1048, 20118), (1437, 14672), (1572, 13412), (1834, 11496), (1916, 11004), (2096, 10059), (2751, 7664), (2874, 7336), (3144, 6706), (3353, 6288), (3668, 5748), (3832, 5502)]