21489918

素因数分解:

$2^1\times 3^1\times {\mathrm{1301}}^1\times {\mathrm{2753}}^1$

素因数の和:4059

約数の個数: 16

約数和(自身を含む): 43028496

約数和(自身を除く): 21538578

約数列:

[1, 2, 3, 6, 1301, 2602, 2753, 3903, 5506, 7806, 8259, 16518, 3581653, 7163306, 10744959, 21489918]

約数ペア:

[(1, 21489918), (2, 10744959), (3, 7163306), (6, 3581653), (1301, 16518), (2602, 8259), (2753, 7806), (3903, 5506)]