21190503

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{653}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 29351520

約数和(自身を除く): 8161017

約数列:

[1, 3, 29, 87, 373, 653, 1119, 1959, 10817, 18937, 32451, 56811, 243569, 730707, 7063501, 21190503]

約数ペア:

[(1, 21190503), (3, 7063501), (29, 730707), (87, 243569), (373, 56811), (653, 32451), (1119, 18937), (1959, 10817)]