21498414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511867}}^1$

素因数の和:511879

約数の個数: 16

約数和(自身を含む): 49139328

約数和(自身を除く): 27640914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511867, 1023734, 1535601, 3071202, 3583069, 7166138, 10749207, 21498414]

約数ペア:

[(1, 21498414), (2, 10749207), (3, 7166138), (6, 3583069), (7, 3071202), (14, 1535601), (21, 1023734), (42, 511867)]