21811042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31981}}^1$

素因数の和:32025

約数の個数: 16

約数和(自身を含む): 36843264

約数和(自身を除く): 15032222

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31981, 63962, 351791, 703582, 991411, 1982822, 10905521, 21811042]

約数ペア:

[(1, 21811042), (2, 10905521), (11, 1982822), (22, 991411), (31, 703582), (62, 351791), (341, 63962), (682, 31981)]