21424438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 38937600

約数和(自身を除く): 17513162

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 337, 478, 674, 1673, 2359, 3346, 4541, 4718, 6403, 9082, 12806, 31787, 44821, 63574, 80543, 89642, 161086, 563801, 1127602, 1530317, 3060634, 10712219, 21424438]

約数ペア:

[(1, 21424438), (2, 10712219), (7, 3060634), (14, 1530317), (19, 1127602), (38, 563801), (133, 161086), (239, 89642), (266, 80543), (337, 63574), (478, 44821), (674, 31787), (1673, 12806), (2359, 9082), (3346, 6403), (4541, 4718)]