21311692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4597}}^1$

素因数の和:4681

約数の個数: 24

約数和(自身を含む): 39910640

約数和(自身を除く): 18598948

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4597, 4636, 9194, 18388, 87343, 174686, 280417, 349372, 560834, 1121668, 5327923, 10655846, 21311692]

約数ペア:

[(1, 21311692), (2, 10655846), (4, 5327923), (19, 1121668), (38, 560834), (61, 349372), (76, 280417), (122, 174686), (244, 87343), (1159, 18388), (2318, 9194), (4597, 4636)]