21000768267

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{438091}}^1$

素因数の和:438171

約数の個数: 24

約数和(自身を含む): 30526250560

約数和(自身を除く): 9525482293

約数列:

[1, 3, 19, 29, 57, 87, 551, 841, 1653, 2523, 15979, 47937, 438091, 1314273, 8323729, 12704639, 24971187, 38113917, 241388141, 368434531, 724164423, 1105303593, 7000256089, 21000768267]

約数ペア:

[(1, 21000768267), (3, 7000256089), (19, 1105303593), (29, 724164423), (57, 368434531), (87, 241388141), (551, 38113917), (841, 24971187), (1653, 12704639), (2523, 8323729), (15979, 1314273), (47937, 438091)]