21143926

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 32552928

約数和(自身を除く): 11409002

約数列:

[1, 2, 53, 106, 151, 302, 1321, 2642, 8003, 16006, 70013, 140026, 199471, 398942, 10571963, 21143926]

約数ペア:

[(1, 21143926), (2, 10571963), (53, 398942), (106, 199471), (151, 140026), (302, 70013), (1321, 16006), (2642, 8003)]