21076586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11801}}^1$

素因数の和:11869

約数の個数: 16

約数和(自身を含む): 33989760

約数和(自身を除く): 12913174

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11801, 23602, 224219, 448438, 554647, 1109294, 10538293, 21076586]

約数ペア:

[(1, 21076586), (2, 10538293), (19, 1109294), (38, 554647), (47, 448438), (94, 224219), (893, 23602), (1786, 11801)]