21093933

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13926867

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 1823, 3857, 5469, 11571, 12761, 34637, 38283, 52867, 103911, 158601, 242459, 370069, 727377, 1004473, 1110207, 3013419, 7031311, 21093933]

約数ペア:

[(1, 21093933), (3, 7031311), (7, 3013419), (19, 1110207), (21, 1004473), (29, 727377), (57, 370069), (87, 242459), (133, 158601), (203, 103911), (399, 52867), (551, 38283), (609, 34637), (1653, 12761), (1823, 11571), (3857, 5469)]