21752346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 32990694

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 197, 231, 239, 394, 462, 478, 591, 717, 1182, 1379, 1434, 1673, 2167, 2629, 2758, 3346, 4137, 4334, 5019, 5258, 6501, 7887, 8274, 10038, 13002, 15169, 15774, 18403, 30338, 36806, 45507, 47083, 55209, 91014, 94166, 110418, 141249, 282498, 329581, 517913, 659162, 988743, 1035826, 1553739, 1977486, 3107478, 3625391, 7250782, 10876173, 21752346]

約数ペア:

[(1, 21752346), (2, 10876173), (3, 7250782), (6, 3625391), (7, 3107478), (11, 1977486), (14, 1553739), (21, 1035826), (22, 988743), (33, 659162), (42, 517913), (66, 329581), (77, 282498), (154, 141249), (197, 110418), (231, 94166), (239, 91014), (394, 55209), (462, 47083), (478, 45507), (591, 36806), (717, 30338), (1182, 18403), (1379, 15774), (1434, 15169), (1673, 13002), (2167, 10038), (2629, 8274), (2758, 7887), (3346, 6501), (4137, 5258), (4334, 5019)]