21169588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 21053516

約数列:

[1, 2, 4, 11, 22, 43, 44, 67, 86, 134, 167, 172, 268, 334, 473, 668, 737, 946, 1474, 1837, 1892, 2881, 2948, 3674, 5762, 7181, 7348, 11189, 11524, 14362, 22378, 28724, 31691, 44756, 63382, 78991, 123079, 126764, 157982, 246158, 315964, 481127, 492316, 962254, 1924508, 5292397, 10584794, 21169588]

約数ペア:

[(1, 21169588), (2, 10584794), (4, 5292397), (11, 1924508), (22, 962254), (43, 492316), (44, 481127), (67, 315964), (86, 246158), (134, 157982), (167, 126764), (172, 123079), (268, 78991), (334, 63382), (473, 44756), (668, 31691), (737, 28724), (946, 22378), (1474, 14362), (1837, 11524), (1892, 11189), (2881, 7348), (2948, 7181), (3674, 5762)]