21317459317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{89393}}^1$

素因数の和:89593

約数の個数: 32

約数和(自身を含む): 28148382720

約数和(自身を除く): 6830923403

約数列:

[1, 7, 11, 19, 77, 133, 163, 209, 1141, 1463, 1793, 3097, 12551, 21679, 34067, 89393, 238469, 625751, 983323, 1698467, 6883261, 11889269, 14571059, 18683137, 101997413, 130781959, 160281649, 276850121, 1121971543, 1937950847, 3045351331, 21317459317]

約数ペア:

[(1, 21317459317), (7, 3045351331), (11, 1937950847), (19, 1121971543), (77, 276850121), (133, 160281649), (163, 130781959), (209, 101997413), (1141, 18683137), (1463, 14571059), (1793, 11889269), (3097, 6883261), (12551, 1698467), (21679, 983323), (34067, 625751), (89393, 238469)]