21299838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{507139}}^1$

素因数の和:507151

約数の個数: 16

約数和(自身を含む): 48685440

約数和(自身を除く): 27385602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 507139, 1014278, 1521417, 3042834, 3549973, 7099946, 10649919, 21299838]

約数ペア:

[(1, 21299838), (2, 10649919), (3, 7099946), (6, 3549973), (7, 3042834), (14, 1521417), (21, 1014278), (42, 507139)]