21036248

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{6101}}^1$

素因数の和:6538

約数の個数: 16

約数和(自身を含む): 39540960

約数和(自身を除く): 18504712

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 6101, 12202, 24404, 48808, 2629531, 5259062, 10518124, 21036248]

約数ペア:

[(1, 21036248), (2, 10518124), (4, 5259062), (8, 2629531), (431, 48808), (862, 24404), (1724, 12202), (3448, 6101)]