16921730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{241739}}^1$

素因数の和:241753

約数の個数: 16

約数和(自身を含む): 34810560

約数和(自身を除く): 17888830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 241739, 483478, 1208695, 1692173, 2417390, 3384346, 8460865, 16921730]

約数ペア:

[(1, 16921730), (2, 8460865), (5, 3384346), (7, 2417390), (10, 1692173), (14, 1208695), (35, 483478), (70, 241739)]