21941976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 63233280

約数和(自身を除く): 41291304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 997, 1048, 1572, 1834, 1994, 2751, 2991, 3144, 3668, 3988, 5502, 5982, 6979, 7336, 7976, 11004, 11964, 13958, 20937, 22008, 23928, 27916, 41874, 55832, 83748, 130607, 167496, 261214, 391821, 522428, 783642, 914249, 1044856, 1567284, 1828498, 2742747, 3134568, 3656996, 5485494, 7313992, 10970988, 21941976]

約数ペア:

[(1, 21941976), (2, 10970988), (3, 7313992), (4, 5485494), (6, 3656996), (7, 3134568), (8, 2742747), (12, 1828498), (14, 1567284), (21, 1044856), (24, 914249), (28, 783642), (42, 522428), (56, 391821), (84, 261214), (131, 167496), (168, 130607), (262, 83748), (393, 55832), (524, 41874), (786, 27916), (917, 23928), (997, 22008), (1048, 20937), (1572, 13958), (1834, 11964), (1994, 11004), (2751, 7976), (2991, 7336), (3144, 6979), (3668, 5982), (3988, 5502)]