21902492

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1021}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 39833472

約数和(自身を除く): 17930980

約数列:

[1, 2, 4, 31, 62, 124, 173, 346, 692, 1021, 2042, 4084, 5363, 10726, 21452, 31651, 63302, 126604, 176633, 353266, 706532, 5475623, 10951246, 21902492]

約数ペア:

[(1, 21902492), (2, 10951246), (4, 5475623), (31, 706532), (62, 353266), (124, 176633), (173, 126604), (346, 63302), (692, 31651), (1021, 21452), (2042, 10726), (4084, 5363)]