21229126892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5270389}}^1$

素因数の和:5270465

約数の個数: 24

約数和(自身を含む): 39844148400

約数和(自身を除く): 18615021508

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5270389, 10540778, 21081556, 100137391, 200274782, 279330617, 400549564, 558661234, 1117322468, 5307281723, 10614563446, 21229126892]

約数ペア:

[(1, 21229126892), (2, 10614563446), (4, 5307281723), (19, 1117322468), (38, 558661234), (53, 400549564), (76, 279330617), (106, 200274782), (212, 100137391), (1007, 21081556), (2014, 10540778), (4028, 5270389)]