21780453594

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{49727063}}^1$

素因数の和:49727141

約数の個数: 16

約数和(自身を含む): 44157632832

約数和(自身を除く): 22377179238

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 49727063, 99454126, 149181189, 298362378, 3630075599, 7260151198, 10890226797, 21780453594]

約数ペア:

[(1, 21780453594), (2, 10890226797), (3, 7260151198), (6, 3630075599), (73, 298362378), (146, 149181189), (219, 99454126), (438, 49727063)]