2021081912

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 3918831840

約数和(自身を除く): 1897749928

約数列:

[1, 2, 4, 8, 97, 101, 107, 194, 202, 214, 241, 388, 404, 428, 482, 776, 808, 856, 964, 1928, 9797, 10379, 10807, 19594, 20758, 21614, 23377, 24341, 25787, 39188, 41516, 43228, 46754, 48682, 51574, 78376, 83032, 86456, 93508, 97364, 103148, 187016, 194728, 206296, 1048279, 2096558, 2361077, 2501339, 2604487, 4193116, 4722154, 5002678, 5208974, 8386232, 9444308, 10005356, 10417948, 18888616, 20010712, 20835896, 252635239, 505270478, 1010540956, 2021081912]

約数ペア:

[(1, 2021081912), (2, 1010540956), (4, 505270478), (8, 252635239), (97, 20835896), (101, 20010712), (107, 18888616), (194, 10417948), (202, 10005356), (214, 9444308), (241, 8386232), (388, 5208974), (404, 5002678), (428, 4722154), (482, 4193116), (776, 2604487), (808, 2501339), (856, 2361077), (964, 2096558), (1928, 1048279), (9797, 206296), (10379, 194728), (10807, 187016), (19594, 103148), (20758, 97364), (21614, 93508), (23377, 86456), (24341, 83032), (25787, 78376), (39188, 51574), (41516, 48682), (43228, 46754)]