21085554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26423}}^1$

素因数の和:26454

約数の個数: 32

約数和(自身を含む): 50734080

約数和(自身を除く): 29648526

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26423, 52846, 79269, 158538, 184961, 369922, 502037, 554883, 1004074, 1109766, 1506111, 3012222, 3514259, 7028518, 10542777, 21085554]

約数ペア:

[(1, 21085554), (2, 10542777), (3, 7028518), (6, 3514259), (7, 3012222), (14, 1506111), (19, 1109766), (21, 1004074), (38, 554883), (42, 502037), (57, 369922), (114, 184961), (133, 158538), (266, 79269), (399, 52846), (798, 26423)]