21080676

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 51242240

約数和(自身を除く): 30161564

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 79, 111, 148, 158, 222, 237, 316, 444, 474, 601, 948, 1202, 1803, 2404, 2923, 3606, 5846, 7212, 8769, 11692, 17538, 22237, 35076, 44474, 47479, 66711, 88948, 94958, 133422, 142437, 189916, 266844, 284874, 569748, 1756723, 3513446, 5270169, 7026892, 10540338, 21080676]

約数ペア:

[(1, 21080676), (2, 10540338), (3, 7026892), (4, 5270169), (6, 3513446), (12, 1756723), (37, 569748), (74, 284874), (79, 266844), (111, 189916), (148, 142437), (158, 133422), (222, 94958), (237, 88948), (316, 66711), (444, 47479), (474, 44474), (601, 35076), (948, 22237), (1202, 17538), (1803, 11692), (2404, 8769), (2923, 7212), (3606, 5846)]