21530822

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2071

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 11808778

約数列:

[1, 2, 41, 82, 139, 278, 1889, 3778, 5699, 11398, 77449, 154898, 262571, 525142, 10765411, 21530822]

約数ペア:

[(1, 21530822), (2, 10765411), (41, 525142), (82, 262571), (139, 154898), (278, 77449), (1889, 11398), (3778, 5699)]