21393525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15013}}^1$

素因数の和:15045

約数の個数: 24

約数和(自身を含む): 37234720

約数和(自身を除く): 15841195

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15013, 45039, 75065, 225195, 285247, 375325, 855741, 1125975, 1426235, 4278705, 7131175, 21393525]

約数ペア:

[(1, 21393525), (3, 7131175), (5, 4278705), (15, 1426235), (19, 1125975), (25, 855741), (57, 375325), (75, 285247), (95, 225195), (285, 75065), (475, 45039), (1425, 15013)]