21511348

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3203}}^1$

素因数の和:3303

約数の個数: 24

約数和(自身を含む): 39832128

約数和(自身を除く): 18320780

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3203, 3358, 6406, 6716, 12812, 73669, 147338, 233819, 294676, 467638, 935276, 5377837, 10755674, 21511348]

約数ペア:

[(1, 21511348), (2, 10755674), (4, 5377837), (23, 935276), (46, 467638), (73, 294676), (92, 233819), (146, 147338), (292, 73669), (1679, 12812), (3203, 6716), (3358, 6406)]