21498477

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7159}}^1$

素因数の和:7193

約数の個数: 32

約数和(自身を含む): 38492160

約数和(自身を除く): 16993683

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 7159, 21477, 50113, 78749, 93067, 150339, 236247, 279201, 551243, 651469, 1023737, 1653729, 1954407, 3071211, 7166159, 21498477]

約数ペア:

[(1, 21498477), (3, 7166159), (7, 3071211), (11, 1954407), (13, 1653729), (21, 1023737), (33, 651469), (39, 551243), (77, 279201), (91, 236247), (143, 150339), (231, 93067), (273, 78749), (429, 50113), (1001, 21477), (3003, 7159)]