21721314

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50989}}^1$

素因数の和:51065

約数の個数: 16

約数和(自身を含む): 44055360

約数和(自身を除く): 22334046

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50989, 101978, 152967, 305934, 3620219, 7240438, 10860657, 21721314]

約数ペア:

[(1, 21721314), (2, 10860657), (3, 7240438), (6, 3620219), (71, 305934), (142, 152967), (213, 101978), (426, 50989)]