21418453

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9473}}^1$

素因数の和:9516

約数の個数: 16

約数和(自身を含む): 27285120

約数和(自身を除く): 5866667

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9473, 66311, 161041, 179987, 1127287, 1259909, 3059779, 21418453]

約数ペア:

[(1, 21418453), (7, 3059779), (17, 1259909), (19, 1127287), (119, 179987), (133, 161041), (323, 66311), (2261, 9473)]