21070872

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{941}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 57311280

約数和(自身を除く): 36240408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 933, 941, 1244, 1866, 1882, 2488, 2799, 2823, 3732, 3764, 5598, 5646, 7464, 7528, 8469, 11196, 11292, 16938, 22392, 22584, 33876, 67752, 292651, 585302, 877953, 1170604, 1755906, 2341208, 2633859, 3511812, 5267718, 7023624, 10535436, 21070872]

約数ペア:

[(1, 21070872), (2, 10535436), (3, 7023624), (4, 5267718), (6, 3511812), (8, 2633859), (9, 2341208), (12, 1755906), (18, 1170604), (24, 877953), (36, 585302), (72, 292651), (311, 67752), (622, 33876), (933, 22584), (941, 22392), (1244, 16938), (1866, 11292), (1882, 11196), (2488, 8469), (2799, 7528), (2823, 7464), (3732, 5646), (3764, 5598)]