21508715931

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1\times {\mathrm{96263}}^1$

素因数の和:97386

約数の個数: 16

約数和(自身を含む): 29110233600

約数和(自身を除く): 7601517669

約数列:

[1, 3, 71, 213, 1049, 3147, 74479, 96263, 223437, 288789, 6834673, 20504019, 100979887, 302939661, 7169571977, 21508715931]

約数ペア:

[(1, 21508715931), (3, 7169571977), (71, 302939661), (213, 100979887), (1049, 20504019), (3147, 6834673), (74479, 288789), (96263, 223437)]