21329924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3011}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 48577536

約数和(自身を除く): 27247612

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3011, 3542, 6022, 7084, 12044, 21077, 33121, 42154, 66242, 69253, 84308, 132484, 138506, 231847, 277012, 463694, 484771, 761783, 927388, 969542, 1523566, 1939084, 3047132, 5332481, 10664962, 21329924]

約数ペア:

[(1, 21329924), (2, 10664962), (4, 5332481), (7, 3047132), (11, 1939084), (14, 1523566), (22, 969542), (23, 927388), (28, 761783), (44, 484771), (46, 463694), (77, 277012), (92, 231847), (154, 138506), (161, 132484), (253, 84308), (308, 69253), (322, 66242), (506, 42154), (644, 33121), (1012, 21077), (1771, 12044), (3011, 7084), (3542, 6022)]