21172214

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5839}}^1$

素因数の和:5892

約数の個数: 24

約数和(自身を含む): 37948320

約数和(自身を除く): 16776106

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5839, 11678, 40873, 81746, 216043, 286111, 432086, 572222, 1512301, 3024602, 10586107, 21172214]

約数ペア:

[(1, 21172214), (2, 10586107), (7, 3024602), (14, 1512301), (37, 572222), (49, 432086), (74, 286111), (98, 216043), (259, 81746), (518, 40873), (1813, 11678), (3626, 5839)]