21038906

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{14879}}^1$

素因数の和:14989

約数の個数: 16

約数和(自身を含む): 36426240

約数和(自身を除く): 15387334

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 14879, 29758, 104153, 208306, 1502779, 3005558, 10519453, 21038906]

約数ペア:

[(1, 21038906), (2, 10519453), (7, 3005558), (14, 1502779), (101, 208306), (202, 104153), (707, 29758), (1414, 14879)]