21000398544

素因数分解:

$2^4\times 3^2\times {\mathrm{145836101}}^1$

素因数の和:145836115

約数の個数: 30

約数和(自身を含む): 58771949106

約数和(自身を除く): 37771550562

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145836101, 291672202, 437508303, 583344404, 875016606, 1166688808, 1312524909, 1750033212, 2333377616, 2625049818, 3500066424, 5250099636, 7000132848, 10500199272, 21000398544]

約数ペア:

[(1, 21000398544), (2, 10500199272), (3, 7000132848), (4, 5250099636), (6, 3500066424), (8, 2625049818), (9, 2333377616), (12, 1750033212), (16, 1312524909), (18, 1166688808), (24, 875016606), (36, 583344404), (48, 437508303), (72, 291672202), (144, 145836101)]