21904224765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{863561}}^1$

素因数の和:863677

約数の個数: 32

約数和(自身を含む): 37305878400

約数和(自身を除く): 15401653635

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1335, 1691, 5073, 8455, 25365, 863561, 2590683, 4317805, 12953415, 16407659, 49222977, 76856929, 82038295, 230570787, 246114885, 384284645, 1152853935, 1460281651, 4380844953, 7301408255, 21904224765]

約数ペア:

[(1, 21904224765), (3, 7301408255), (5, 4380844953), (15, 1460281651), (19, 1152853935), (57, 384284645), (89, 246114885), (95, 230570787), (267, 82038295), (285, 76856929), (445, 49222977), (1335, 16407659), (1691, 12953415), (5073, 4317805), (8455, 2590683), (25365, 863561)]