21678512

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{58909}}^1$

素因数の和:58940

約数の個数: 20

約数和(自身を含む): 43829040

約数和(自身を除く): 22150528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 58909, 117818, 235636, 471272, 942544, 1354907, 2709814, 5419628, 10839256, 21678512]

約数ペア:

[(1, 21678512), (2, 10839256), (4, 5419628), (8, 2709814), (16, 1354907), (23, 942544), (46, 471272), (92, 235636), (184, 117818), (368, 58909)]