21530572

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40471}}^1$

素因数の和:40501

約数の個数: 24

約数和(自身を含む): 45328640

約数和(自身を除く): 23798068

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40471, 80942, 161884, 283297, 566594, 768949, 1133188, 1537898, 3075796, 5382643, 10765286, 21530572]

約数ペア:

[(1, 21530572), (2, 10765286), (4, 5382643), (7, 3075796), (14, 1537898), (19, 1133188), (28, 768949), (38, 566594), (76, 283297), (133, 161884), (266, 80942), (532, 40471)]