21763007

素因数分解:

$7^3\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1035

約数の個数: 16

約数和(自身を含む): 25785600

約数和(自身を除く): 4022593

約数列:

[1, 7, 49, 67, 343, 469, 947, 3283, 6629, 22981, 46403, 63449, 324821, 444143, 3109001, 21763007]

約数ペア:

[(1, 21763007), (7, 3109001), (49, 444143), (67, 324821), (343, 63449), (469, 46403), (947, 22981), (3283, 6629)]