21090948

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103387}}^1$

素因数の和:103411

約数の個数: 24

約数和(自身を含む): 52107552

約数和(自身を除く): 31016604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103387, 206774, 310161, 413548, 620322, 1240644, 1757579, 3515158, 5272737, 7030316, 10545474, 21090948]

約数ペア:

[(1, 21090948), (2, 10545474), (3, 7030316), (4, 5272737), (6, 3515158), (12, 1757579), (17, 1240644), (34, 620322), (51, 413548), (68, 310161), (102, 206774), (204, 103387)]