21049367024

素因数分解:

$2^4\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{150473}}^1$

素因数の和:151737

約数の個数: 40

約数和(自身を含む): 46646940000

約数和(自身を除く): 25597572976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1249, 2498, 4996, 8743, 9992, 17486, 19984, 34972, 69944, 139888, 150473, 300946, 601892, 1053311, 1203784, 2106622, 2407568, 4213244, 8426488, 16852976, 187940777, 375881554, 751763108, 1315585439, 1503526216, 2631170878, 3007052432, 5262341756, 10524683512, 21049367024]

約数ペア:

[(1, 21049367024), (2, 10524683512), (4, 5262341756), (7, 3007052432), (8, 2631170878), (14, 1503526216), (16, 1315585439), (28, 751763108), (56, 375881554), (112, 187940777), (1249, 16852976), (2498, 8426488), (4996, 4213244), (8743, 2407568), (9992, 2106622), (17486, 1203784), (19984, 1053311), (34972, 601892), (69944, 300946), (139888, 150473)]