21695352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 41031048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1246, 1451, 1869, 2136, 2492, 2902, 3738, 4353, 4984, 5804, 7476, 8706, 10157, 11608, 14952, 17412, 20314, 30471, 34824, 40628, 60942, 81256, 121884, 129139, 243768, 258278, 387417, 516556, 774834, 903973, 1033112, 1549668, 1807946, 2711919, 3099336, 3615892, 5423838, 7231784, 10847676, 21695352]

約数ペア:

[(1, 21695352), (2, 10847676), (3, 7231784), (4, 5423838), (6, 3615892), (7, 3099336), (8, 2711919), (12, 1807946), (14, 1549668), (21, 1033112), (24, 903973), (28, 774834), (42, 516556), (56, 387417), (84, 258278), (89, 243768), (168, 129139), (178, 121884), (267, 81256), (356, 60942), (534, 40628), (623, 34824), (712, 30471), (1068, 20314), (1246, 17412), (1451, 14952), (1869, 11608), (2136, 10157), (2492, 8706), (2902, 7476), (3738, 5804), (4353, 4984)]