21321874

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2879}}^1$

素因数の和:2934

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 16901486

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 2879, 3703, 5758, 7406, 20153, 40306, 66217, 132434, 463519, 927038, 1522991, 3045982, 10660937, 21321874]

約数ペア:

[(1, 21321874), (2, 10660937), (7, 3045982), (14, 1522991), (23, 927038), (46, 463519), (161, 132434), (322, 66217), (529, 40306), (1058, 20153), (2879, 7406), (3703, 5758)]