21040498

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 32191776

約数和(自身を除く): 11151278

約数列:

[1, 2, 73, 146, 211, 422, 683, 1366, 15403, 30806, 49859, 99718, 144113, 288226, 10520249, 21040498]

約数ペア:

[(1, 21040498), (2, 10520249), (73, 288226), (146, 144113), (211, 99718), (422, 49859), (683, 30806), (1366, 15403)]