21858452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70969}}^1$

素因数の和:70991

約数の個数: 24

約数和(自身を含む): 47691840

約数和(自身を除く): 25833388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70969, 141938, 283876, 496783, 780659, 993566, 1561318, 1987132, 3122636, 5464613, 10929226, 21858452]

約数ペア:

[(1, 21858452), (2, 10929226), (4, 5464613), (7, 3122636), (11, 1987132), (14, 1561318), (22, 993566), (28, 780659), (44, 496783), (77, 283876), (154, 141938), (308, 70969)]