21477468

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30414372

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 107, 129, 172, 214, 258, 321, 389, 428, 516, 642, 778, 1167, 1284, 1556, 2334, 4601, 4668, 9202, 13803, 16727, 18404, 27606, 33454, 41623, 50181, 55212, 66908, 83246, 100362, 124869, 166492, 200724, 249738, 499476, 1789789, 3579578, 5369367, 7159156, 10738734, 21477468]

約数ペア:

[(1, 21477468), (2, 10738734), (3, 7159156), (4, 5369367), (6, 3579578), (12, 1789789), (43, 499476), (86, 249738), (107, 200724), (129, 166492), (172, 124869), (214, 100362), (258, 83246), (321, 66908), (389, 55212), (428, 50181), (516, 41623), (642, 33454), (778, 27606), (1167, 18404), (1284, 16727), (1556, 13803), (2334, 9202), (4601, 4668)]