21821124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3253}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 56124992

約数和(自身を除く): 34303868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3253, 3354, 6506, 6708, 9759, 13012, 19518, 39036, 42289, 84578, 126867, 139879, 169156, 253734, 279758, 419637, 507468, 559516, 839274, 1678548, 1818427, 3636854, 5455281, 7273708, 10910562, 21821124]

約数ペア:

[(1, 21821124), (2, 10910562), (3, 7273708), (4, 5455281), (6, 3636854), (12, 1818427), (13, 1678548), (26, 839274), (39, 559516), (43, 507468), (52, 419637), (78, 279758), (86, 253734), (129, 169156), (156, 139879), (172, 126867), (258, 84578), (516, 42289), (559, 39036), (1118, 19518), (1677, 13012), (2236, 9759), (3253, 6708), (3354, 6506)]