21044685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 36328320

約数和(自身を除く): 15283635

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1801, 2337, 3895, 5403, 9005, 11685, 27015, 34219, 73841, 102657, 171095, 221523, 369205, 513285, 1107615, 1402979, 4208937, 7014895, 21044685]

約数ペア:

[(1, 21044685), (3, 7014895), (5, 4208937), (15, 1402979), (19, 1107615), (41, 513285), (57, 369205), (95, 221523), (123, 171095), (205, 102657), (285, 73841), (615, 34219), (779, 27015), (1801, 11685), (2337, 9005), (3895, 5403)]