21812152

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143501}}^1$

素因数の和:143526

約数の個数: 16

約数和(自身を含む): 43050600

約数和(自身を除く): 21238448

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143501, 287002, 574004, 1148008, 2726519, 5453038, 10906076, 21812152]

約数ペア:

[(1, 21812152), (2, 10906076), (4, 5453038), (8, 2726519), (19, 1148008), (38, 574004), (76, 287002), (152, 143501)]