21071056

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35593}}^1$

素因数の和:35638

約数の個数: 20

約数和(自身を含む): 41929732

約数和(自身を除く): 20858676

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35593, 71186, 142372, 284744, 569488, 1316941, 2633882, 5267764, 10535528, 21071056]

約数ペア:

[(1, 21071056), (2, 10535528), (4, 5267764), (8, 2633882), (16, 1316941), (37, 569488), (74, 284744), (148, 142372), (296, 71186), (592, 35593)]