21404724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 54867456

約数和(自身を除く): 33462732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 167, 334, 501, 668, 971, 1002, 1837, 1942, 2004, 2913, 3674, 3884, 5511, 5826, 7348, 10681, 11022, 11652, 21362, 22044, 32043, 42724, 64086, 128172, 162157, 324314, 486471, 648628, 972942, 1783727, 1945884, 3567454, 5351181, 7134908, 10702362, 21404724]

約数ペア:

[(1, 21404724), (2, 10702362), (3, 7134908), (4, 5351181), (6, 3567454), (11, 1945884), (12, 1783727), (22, 972942), (33, 648628), (44, 486471), (66, 324314), (132, 162157), (167, 128172), (334, 64086), (501, 42724), (668, 32043), (971, 22044), (1002, 21362), (1837, 11652), (1942, 11022), (2004, 10681), (2913, 7348), (3674, 5826), (3884, 5511)]