21222105

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3733}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 34054080

約数和(自身を除く): 12831975

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 3733, 5685, 11199, 18665, 55995, 1414807, 4244421, 7074035, 21222105]

約数ペア:

[(1, 21222105), (3, 7074035), (5, 4244421), (15, 1414807), (379, 55995), (1137, 18665), (1895, 11199), (3733, 5685)]