21812722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5573}}^1$

素因数の和:5697

約数の個数: 16

約数和(自身を含む): 34781760

約数和(自身を除く): 12969038

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5573, 11146, 105887, 211774, 574019, 1148038, 10906361, 21812722]

約数ペア:

[(1, 21812722), (2, 10906361), (19, 1148038), (38, 574019), (103, 211774), (206, 105887), (1957, 11146), (3914, 5573)]