21787402391

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{5479}}^1$

素因数の和:5679

約数の個数: 32

約数和(自身を含む): 24136550400

約数和(自身を除く): 2349148009

約数列:

[1, 19, 47, 61, 73, 893, 1159, 1387, 2867, 3431, 4453, 5479, 54473, 65189, 84607, 104101, 209291, 257513, 334219, 399967, 3976529, 4892747, 6350161, 7599373, 15708293, 18798449, 24397987, 298457567, 357170531, 463561753, 1146705389, 21787402391]

約数ペア:

[(1, 21787402391), (19, 1146705389), (47, 463561753), (61, 357170531), (73, 298457567), (893, 24397987), (1159, 18798449), (1387, 15708293), (2867, 7599373), (3431, 6350161), (4453, 4892747), (5479, 3976529), (54473, 399967), (65189, 334219), (84607, 257513), (104101, 209291)]