21000316623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{140263}}^1$

素因数の和:140639

約数の個数: 32

約数和(自身を含む): 32990092800

約数和(自身を除く): 11989776177

約数列:

[1, 3, 11, 13, 33, 39, 143, 349, 429, 1047, 3839, 4537, 11517, 13611, 49907, 140263, 149721, 420789, 1542893, 1823419, 4628679, 5470257, 20057609, 48951787, 60172827, 146855361, 538469657, 636373231, 1615408971, 1909119693, 7000105541, 21000316623]

約数ペア:

[(1, 21000316623), (3, 7000105541), (11, 1909119693), (13, 1615408971), (33, 636373231), (39, 538469657), (143, 146855361), (349, 60172827), (429, 48951787), (1047, 20057609), (3839, 5470257), (4537, 4628679), (11517, 1823419), (13611, 1542893), (49907, 420789), (140263, 149721)]