21221102

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35251}}^1$

素因数の和:35303

約数の個数: 16

約数和(自身を含む): 37226112

約数和(自身を除く): 16005010

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35251, 70502, 246757, 493514, 1515793, 3031586, 10610551, 21221102]

約数ペア:

[(1, 21221102), (2, 10610551), (7, 3031586), (14, 1515793), (43, 493514), (86, 246757), (301, 70502), (602, 35251)]