21791626

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 24

約数和(自身を含む): 35038080

約数和(自身を除く): 13246454

約数列:

[1, 2, 23, 43, 46, 86, 479, 529, 958, 989, 1058, 1978, 11017, 20597, 22034, 22747, 41194, 45494, 253391, 473731, 506782, 947462, 10895813, 21791626]

約数ペア:

[(1, 21791626), (2, 10895813), (23, 947462), (43, 506782), (46, 473731), (86, 253391), (479, 45494), (529, 41194), (958, 22747), (989, 22034), (1058, 20597), (1978, 11017)]