21356095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4783}}^1$

素因数の和:4854

約数の個数: 16

約数和(自身を含む): 27555840

約数和(自身を除く): 6199745

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 4783, 23915, 90877, 224801, 454385, 1124005, 4271219, 21356095]

約数ペア:

[(1, 21356095), (5, 4271219), (19, 1124005), (47, 454385), (95, 224801), (235, 90877), (893, 23915), (4465, 4783)]