21442270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126131}}^1$

素因数の和:126155

約数の個数: 16

約数和(自身を含む): 40866768

約数和(自身を除く): 19424498

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 126131, 252262, 630655, 1261310, 2144227, 4288454, 10721135, 21442270]

約数ペア:

[(1, 21442270), (2, 10721135), (5, 4288454), (10, 2144227), (17, 1261310), (34, 630655), (85, 252262), (170, 126131)]