21459308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{733}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 40569648

約数和(自身を除く): 19110340

約数列:

[1, 2, 4, 13, 26, 52, 563, 733, 1126, 1466, 2252, 2932, 7319, 9529, 14638, 19058, 29276, 38116, 412679, 825358, 1650716, 5364827, 10729654, 21459308]

約数ペア:

[(1, 21459308), (2, 10729654), (4, 5364827), (13, 1650716), (26, 825358), (52, 412679), (563, 38116), (733, 29276), (1126, 19058), (1466, 14638), (2252, 9529), (2932, 7319)]