21716183

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 23852640

約数和(自身を除く): 2136457

約数列:

[1, 19, 41, 61, 457, 779, 1159, 2501, 8683, 18737, 27877, 47519, 356003, 529663, 1142957, 21716183]

約数ペア:

[(1, 21716183), (19, 1142957), (41, 529663), (61, 356003), (457, 47519), (779, 27877), (1159, 18737), (2501, 8683)]