21581724

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{18541}}^1$

素因数の和:18645

約数の個数: 24

約数和(自身を含む): 50879248

約数和(自身を除く): 29297524

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 18541, 37082, 55623, 74164, 111246, 222492, 1798477, 3596954, 5395431, 7193908, 10790862, 21581724]

約数ペア:

[(1, 21581724), (2, 10790862), (3, 7193908), (4, 5395431), (6, 3596954), (12, 1798477), (97, 222492), (194, 111246), (291, 74164), (388, 55623), (582, 37082), (1164, 18541)]