21575806

素因数分解:

$2^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2699}}^1$

素因数の和:3279

約数の個数: 16

約数和(自身を含む): 37065600

約数和(自身を除く): 15489794

約数列:

[1, 2, 7, 14, 571, 1142, 2699, 3997, 5398, 7994, 18893, 37786, 1541129, 3082258, 10787903, 21575806]

約数ペア:

[(1, 21575806), (2, 10787903), (7, 3082258), (14, 1541129), (571, 37786), (1142, 18893), (2699, 7994), (3997, 5398)]