21067270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300961}}^1$

素因数の和:300975

約数の個数: 16

約数和(自身を含む): 43338528

約数和(自身を除く): 22271258

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300961, 601922, 1504805, 2106727, 3009610, 4213454, 10533635, 21067270]

約数ペア:

[(1, 21067270), (2, 10533635), (5, 4213454), (7, 3009610), (10, 2106727), (14, 1504805), (35, 601922), (70, 300961)]