21000273824

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{1531}}^1\times {\mathrm{7027}}^1$

素因数の和:8629

約数の個数: 48

約数和(自身を含む): 42055495776

約数和(自身を除く): 21055221952

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1531, 1952, 3062, 6124, 7027, 12248, 14054, 24496, 28108, 48992, 56216, 93391, 112432, 186782, 224864, 373564, 428647, 747128, 857294, 1494256, 1714588, 2988512, 3429176, 6858352, 10758337, 13716704, 21516674, 43033348, 86066696, 172133392, 344266784, 656258557, 1312517114, 2625034228, 5250068456, 10500136912, 21000273824]

約数ペア:

[(1, 21000273824), (2, 10500136912), (4, 5250068456), (8, 2625034228), (16, 1312517114), (32, 656258557), (61, 344266784), (122, 172133392), (244, 86066696), (488, 43033348), (976, 21516674), (1531, 13716704), (1952, 10758337), (3062, 6858352), (6124, 3429176), (7027, 2988512), (12248, 1714588), (14054, 1494256), (24496, 857294), (28108, 747128), (48992, 428647), (56216, 373564), (93391, 224864), (112432, 186782)]