21962318

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25717}}^1$

素因数の和:25787

約数の個数: 16

約数和(自身を含む): 38268384

約数和(自身を除く): 16306066

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25717, 51434, 180019, 360038, 1568737, 3137474, 10981159, 21962318]

約数ペア:

[(1, 21962318), (2, 10981159), (7, 3137474), (14, 1568737), (61, 360038), (122, 180019), (427, 51434), (854, 25717)]