21494398

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 32888160

約数和(自身を除く): 11393762

約数列:

[1, 2, 71, 142, 229, 458, 661, 1322, 16259, 32518, 46931, 93862, 151369, 302738, 10747199, 21494398]

約数ペア:

[(1, 21494398), (2, 10747199), (71, 302738), (142, 151369), (229, 93862), (458, 46931), (661, 32518), (1322, 16259)]