21938655

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5827}}^1$

素因数の和:6086

約数の個数: 16

約数和(自身を含む): 35247744

約数和(自身を除く): 13309089

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5827, 17481, 29135, 87405, 1462577, 4387731, 7312885, 21938655]

約数ペア:

[(1, 21938655), (3, 7312885), (5, 4387731), (15, 1462577), (251, 87405), (753, 29135), (1255, 17481), (3765, 5827)]