21001802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12853}}^1$

素因数の和:12917

約数の個数: 16

約数和(自身を含む): 33934560

約数和(自身を除く): 12932758

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12853, 25706, 244207, 488414, 552679, 1105358, 10500901, 21001802]

約数ペア:

[(1, 21001802), (2, 10500901), (19, 1105358), (38, 552679), (43, 488414), (86, 244207), (817, 25706), (1634, 12853)]