21470372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69709}}^1$

素因数の和:69731

約数の個数: 24

約数和(自身を含む): 46845120

約数和(自身を除く): 25374748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69709, 139418, 278836, 487963, 766799, 975926, 1533598, 1951852, 3067196, 5367593, 10735186, 21470372]

約数ペア:

[(1, 21470372), (2, 10735186), (4, 5367593), (7, 3067196), (11, 1951852), (14, 1533598), (22, 975926), (28, 766799), (44, 487963), (77, 278836), (154, 139418), (308, 69709)]