21230426

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9419}}^1$

素因数の和:9458

約数の個数: 24

約数和(自身を含む): 38659680

約数和(自身を除く): 17429254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9419, 18838, 65933, 131866, 216637, 433274, 461531, 923062, 1516459, 3032918, 10615213, 21230426]

約数ペア:

[(1, 21230426), (2, 10615213), (7, 3032918), (14, 1516459), (23, 923062), (46, 461531), (49, 433274), (98, 216637), (161, 131866), (322, 65933), (1127, 18838), (2254, 9419)]