21052999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 23970816

約数和(自身を除く): 2917817

約数列:

[1, 11, 31, 107, 341, 577, 1177, 3317, 6347, 17887, 36487, 61739, 196757, 679129, 1913909, 21052999]

約数ペア:

[(1, 21052999), (11, 1913909), (31, 679129), (107, 196757), (341, 61739), (577, 36487), (1177, 17887), (3317, 6347)]