21081892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17627}}^1$

素因数の和:17667

約数の個数: 24

約数和(自身を含む): 41461056

約数和(自身を除く): 20379164

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17627, 35254, 70508, 229151, 405421, 458302, 810842, 916604, 1621684, 5270473, 10540946, 21081892]

約数ペア:

[(1, 21081892), (2, 10540946), (4, 5270473), (13, 1621684), (23, 916604), (26, 810842), (46, 458302), (52, 405421), (92, 229151), (299, 70508), (598, 35254), (1196, 17627)]