21178116

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2441}}^1$

素因数の和:2692

約数の個数: 36

約数和(自身を含む): 53777724

約数和(自身を除く): 32599608

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2441, 2892, 4338, 4882, 7323, 8676, 9764, 14646, 21969, 29292, 43938, 87876, 588281, 1176562, 1764843, 2353124, 3529686, 5294529, 7059372, 10589058, 21178116]

約数ペア:

[(1, 21178116), (2, 10589058), (3, 7059372), (4, 5294529), (6, 3529686), (9, 2353124), (12, 1764843), (18, 1176562), (36, 588281), (241, 87876), (482, 43938), (723, 29292), (964, 21969), (1446, 14646), (2169, 9764), (2441, 8676), (2892, 7323), (4338, 4882)]