21535208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141679}}^1$

素因数の和:141704

約数の個数: 16

約数和(自身を含む): 42504000

約数和(自身を除く): 20968792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141679, 283358, 566716, 1133432, 2691901, 5383802, 10767604, 21535208]

約数ペア:

[(1, 21535208), (2, 10767604), (4, 5383802), (8, 2691901), (19, 1133432), (38, 566716), (76, 283358), (152, 141679)]