21818244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 58505216

約数和(自身を除く): 36686972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1231, 1266, 1477, 2462, 2532, 2954, 3693, 4431, 4924, 5908, 7386, 8617, 8862, 14772, 17234, 17724, 25851, 34468, 51702, 103404, 259741, 519482, 779223, 1038964, 1558446, 1818187, 3116892, 3636374, 5454561, 7272748, 10909122, 21818244]

約数ペア:

[(1, 21818244), (2, 10909122), (3, 7272748), (4, 5454561), (6, 3636374), (7, 3116892), (12, 1818187), (14, 1558446), (21, 1038964), (28, 779223), (42, 519482), (84, 259741), (211, 103404), (422, 51702), (633, 34468), (844, 25851), (1231, 17724), (1266, 17234), (1477, 14772), (2462, 8862), (2532, 8617), (2954, 7386), (3693, 5908), (4431, 4924)]