21752397808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1901}}^1\times {\mathrm{17443}}^1$

素因数の和:19393

約数の個数: 40

約数和(自身を含む): 43198391376

約数和(自身を除く): 21445993568

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1901, 3802, 7604, 15208, 17443, 30416, 34886, 69772, 77941, 139544, 155882, 279088, 311764, 623528, 715163, 1247056, 1430326, 2860652, 5721304, 11442608, 33159143, 66318286, 132636572, 265273144, 530546288, 1359524863, 2719049726, 5438099452, 10876198904, 21752397808]

約数ペア:

[(1, 21752397808), (2, 10876198904), (4, 5438099452), (8, 2719049726), (16, 1359524863), (41, 530546288), (82, 265273144), (164, 132636572), (328, 66318286), (656, 33159143), (1901, 11442608), (3802, 5721304), (7604, 2860652), (15208, 1430326), (17443, 1247056), (30416, 715163), (34886, 623528), (69772, 311764), (77941, 279088), (139544, 155882)]