21260374

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:951

約数の個数: 16

約数和(自身を含む): 32522112

約数和(自身を除く): 11261738

約数列:

[1, 2, 73, 146, 223, 446, 653, 1306, 16279, 32558, 47669, 95338, 145619, 291238, 10630187, 21260374]

約数ペア:

[(1, 21260374), (2, 10630187), (73, 291238), (146, 145619), (223, 95338), (446, 47669), (653, 32558), (1306, 16279)]