21942928

素因数分解:

$2^4\times 7^1\times {\mathrm{195919}}^1$

素因数の和:195934

約数の個数: 20

約数和(自身を含む): 48588160

約数和(自身を除く): 26645232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195919, 391838, 783676, 1371433, 1567352, 2742866, 3134704, 5485732, 10971464, 21942928]

約数ペア:

[(1, 21942928), (2, 10971464), (4, 5485732), (7, 3134704), (8, 2742866), (14, 1567352), (16, 1371433), (28, 783676), (56, 391838), (112, 195919)]