21867248

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{8087}}^1$

素因数の和:8121

約数の個数: 30

約数和(自身を含む): 45883224

約数和(自身を除く): 24015976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 8087, 16174, 32348, 64696, 105131, 129392, 210262, 420524, 841048, 1366703, 1682096, 2733406, 5466812, 10933624, 21867248]

約数ペア:

[(1, 21867248), (2, 10933624), (4, 5466812), (8, 2733406), (13, 1682096), (16, 1366703), (26, 841048), (52, 420524), (104, 210262), (169, 129392), (208, 105131), (338, 64696), (676, 32348), (1352, 16174), (2704, 8087)]