13406421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^2$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 22172768

約数和(自身を除く): 8766347

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 289, 329, 357, 799, 867, 987, 2023, 2209, 2397, 5593, 6069, 6627, 13583, 15463, 16779, 37553, 40749, 46389, 95081, 112659, 262871, 285243, 638401, 788613, 1915203, 4468807, 13406421]

約数ペア:

[(1, 13406421), (3, 4468807), (7, 1915203), (17, 788613), (21, 638401), (47, 285243), (51, 262871), (119, 112659), (141, 95081), (289, 46389), (329, 40749), (357, 37553), (799, 16779), (867, 15463), (987, 13583), (2023, 6627), (2209, 6069), (2397, 5593)]