21748661

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 25807320

約数和(自身を除く): 4058659

約数列:

[1, 11, 17, 97, 109, 121, 187, 1067, 1199, 1649, 1853, 2057, 10573, 11737, 13189, 18139, 20383, 116303, 179741, 199529, 224213, 1279333, 1977151, 21748661]

約数ペア:

[(1, 21748661), (11, 1977151), (17, 1279333), (97, 224213), (109, 199529), (121, 179741), (187, 116303), (1067, 20383), (1199, 18139), (1649, 13189), (1853, 11737), (2057, 10573)]