21114136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155251}}^1$

素因数の和:155274

約数の個数: 16

約数和(自身を含む): 41918040

約数和(自身を除く): 20803904

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155251, 310502, 621004, 1242008, 2639267, 5278534, 10557068, 21114136]

約数ペア:

[(1, 21114136), (2, 10557068), (4, 5278534), (8, 2639267), (17, 1242008), (34, 621004), (68, 310502), (136, 155251)]