21366811

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 23362560

約数和(自身を除く): 1995749

約数列:

[1, 19, 47, 71, 337, 893, 1349, 3337, 6403, 15839, 23927, 63403, 300941, 454613, 1124569, 21366811]

約数ペア:

[(1, 21366811), (19, 1124569), (47, 454613), (71, 300941), (337, 63403), (893, 23927), (1349, 15839), (3337, 6403)]