21820272

素因数分解:

$2^4\times 3^1\times {\mathrm{499}}^1\times {\mathrm{911}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 56544000

約数和(自身を除く): 34723728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 499, 911, 998, 1497, 1822, 1996, 2733, 2994, 3644, 3992, 5466, 5988, 7288, 7984, 10932, 11976, 14576, 21864, 23952, 43728, 454589, 909178, 1363767, 1818356, 2727534, 3636712, 5455068, 7273424, 10910136, 21820272]

約数ペア:

[(1, 21820272), (2, 10910136), (3, 7273424), (4, 5455068), (6, 3636712), (8, 2727534), (12, 1818356), (16, 1363767), (24, 909178), (48, 454589), (499, 43728), (911, 23952), (998, 21864), (1497, 14576), (1822, 11976), (1996, 10932), (2733, 7984), (2994, 7288), (3644, 5988), (3992, 5466)]