21453474

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1759

約数の個数: 48

約数和(自身を含む): 51103008

約数和(自身を除く): 29649534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1697, 1806, 2107, 3394, 4214, 5091, 6321, 10182, 11879, 12642, 23758, 35637, 71274, 72971, 83153, 145942, 166306, 218913, 249459, 437826, 498918, 510797, 1021594, 1532391, 3064782, 3575579, 7151158, 10726737, 21453474]

約数ペア:

[(1, 21453474), (2, 10726737), (3, 7151158), (6, 3575579), (7, 3064782), (14, 1532391), (21, 1021594), (42, 510797), (43, 498918), (49, 437826), (86, 249459), (98, 218913), (129, 166306), (147, 145942), (258, 83153), (294, 72971), (301, 71274), (602, 35637), (903, 23758), (1697, 12642), (1806, 11879), (2107, 10182), (3394, 6321), (4214, 5091)]