21434454

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 27087786

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 107, 186, 214, 279, 321, 359, 558, 642, 718, 963, 1077, 1926, 2154, 3231, 3317, 6462, 6634, 9951, 11129, 19902, 22258, 29853, 33387, 38413, 59706, 66774, 76826, 100161, 115239, 200322, 230478, 345717, 691434, 1190803, 2381606, 3572409, 7144818, 10717227, 21434454]

約数ペア:

[(1, 21434454), (2, 10717227), (3, 7144818), (6, 3572409), (9, 2381606), (18, 1190803), (31, 691434), (62, 345717), (93, 230478), (107, 200322), (186, 115239), (214, 100161), (279, 76826), (321, 66774), (359, 59706), (558, 38413), (642, 33387), (718, 29853), (963, 22258), (1077, 19902), (1926, 11129), (2154, 9951), (3231, 6634), (3317, 6462)]