21000992177

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{60607}}^1$

素因数の和:60761

約数の個数: 24

約数和(自身を含む): 24560785920

約数和(自身を除く): 3559793743

約数列:

[1, 11, 17, 109, 187, 289, 1199, 1853, 3179, 20383, 31501, 60607, 346511, 666677, 1030319, 6606163, 11333509, 17515423, 72667793, 112304771, 192669653, 1235352481, 1909181107, 21000992177]

約数ペア:

[(1, 21000992177), (11, 1909181107), (17, 1235352481), (109, 192669653), (187, 112304771), (289, 72667793), (1199, 17515423), (1853, 11333509), (3179, 6606163), (20383, 1030319), (31501, 666677), (60607, 346511)]