21246918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45989}}^1$

素因数の和:46012

約数の個数: 32

約数和(自身を含む): 52980480

約数和(自身を除く): 31733562

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 45989, 91978, 137967, 275934, 321923, 505879, 643846, 965769, 1011758, 1517637, 1931538, 3035274, 3541153, 7082306, 10623459, 21246918]

約数ペア:

[(1, 21246918), (2, 10623459), (3, 7082306), (6, 3541153), (7, 3035274), (11, 1931538), (14, 1517637), (21, 1011758), (22, 965769), (33, 643846), (42, 505879), (66, 321923), (77, 275934), (154, 137967), (231, 91978), (462, 45989)]