21613893

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9619}}^1$

素因数の和:9736

約数の個数: 16

約数和(自身を含む): 33246720

約数和(自身を除く): 11632827

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9619, 28857, 67333, 201999, 1029233, 3087699, 7204631, 21613893]

約数ペア:

[(1, 21613893), (3, 7204631), (7, 3087699), (21, 1029233), (107, 201999), (321, 67333), (749, 28857), (2247, 9619)]