21532878

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2254

約数の個数: 40

約数和(自身を含む): 49063080

約数和(自身を除く): 27530202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 2179, 3294, 4358, 4941, 6537, 9882, 13074, 19611, 39222, 58833, 117666, 132919, 176499, 265838, 352998, 398757, 797514, 1196271, 2392542, 3588813, 7177626, 10766439, 21532878]

約数ペア:

[(1, 21532878), (2, 10766439), (3, 7177626), (6, 3588813), (9, 2392542), (18, 1196271), (27, 797514), (54, 398757), (61, 352998), (81, 265838), (122, 176499), (162, 132919), (183, 117666), (366, 58833), (549, 39222), (1098, 19611), (1647, 13074), (2179, 9882), (3294, 6537), (4358, 4941)]