21459186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4603}}^1$

素因数の和:4655

約数の個数: 48

約数和(自身を含む): 54585024

約数和(自身を除く): 33125838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4603, 4662, 9206, 13809, 27618, 32221, 41427, 64442, 82854, 96663, 170311, 193326, 289989, 340622, 510933, 579978, 1021866, 1192177, 1532799, 2384354, 3065598, 3576531, 7153062, 10729593, 21459186]

約数ペア:

[(1, 21459186), (2, 10729593), (3, 7153062), (6, 3576531), (7, 3065598), (9, 2384354), (14, 1532799), (18, 1192177), (21, 1021866), (37, 579978), (42, 510933), (63, 340622), (74, 289989), (111, 193326), (126, 170311), (222, 96663), (259, 82854), (333, 64442), (518, 41427), (666, 32221), (777, 27618), (1554, 13809), (2331, 9206), (4603, 4662)]