21426955921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{13339}}^1$

素因数の和:13609

約数の個数: 32

約数和(自身を含む): 26086636800

約数和(自身を除く): 4659680879

約数列:

[1, 7, 29, 41, 193, 203, 287, 1189, 1351, 5597, 7913, 8323, 13339, 39179, 55391, 93373, 229477, 386831, 546899, 1606339, 2574427, 2707817, 3828293, 15860071, 18020989, 74658383, 105551507, 111020497, 522608681, 738860549, 3060993703, 21426955921]

約数ペア:

[(1, 21426955921), (7, 3060993703), (29, 738860549), (41, 522608681), (193, 111020497), (203, 105551507), (287, 74658383), (1189, 18020989), (1351, 15860071), (5597, 3828293), (7913, 2707817), (8323, 2574427), (13339, 1606339), (39179, 546899), (55391, 386831), (93373, 229477)]