21003010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300043}}^1$

素因数の和:300057

約数の個数: 16

約数和(自身を含む): 43206336

約数和(自身を除く): 22203326

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300043, 600086, 1500215, 2100301, 3000430, 4200602, 10501505, 21003010]

約数ペア:

[(1, 21003010), (2, 10501505), (5, 4200602), (7, 3000430), (10, 2100301), (14, 1500215), (35, 600086), (70, 300043)]