21846416

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19231}}^1$

素因数の和:19310

約数の個数: 20

約数和(自身を含む): 42925824

約数和(自身を除く): 21079408

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19231, 38462, 76924, 153848, 307696, 1365401, 2730802, 5461604, 10923208, 21846416]

約数ペア:

[(1, 21846416), (2, 10923208), (4, 5461604), (8, 2730802), (16, 1365401), (71, 307696), (142, 153848), (284, 76924), (568, 38462), (1136, 19231)]