21031346168

素因数分解:

$2^3\times 7^1\times {\mathrm{4931}}^1\times {\mathrm{76163}}^1$

素因数の和:81107

約数の個数: 32

約数和(自身を含む): 45076901760

約数和(自身を除く): 24045555592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4931, 9862, 19724, 34517, 39448, 69034, 76163, 138068, 152326, 276136, 304652, 533141, 609304, 1066282, 2132564, 4265128, 375559753, 751119506, 1502239012, 2628918271, 3004478024, 5257836542, 10515673084, 21031346168]

約数ペア:

[(1, 21031346168), (2, 10515673084), (4, 5257836542), (7, 3004478024), (8, 2628918271), (14, 1502239012), (28, 751119506), (56, 375559753), (4931, 4265128), (9862, 2132564), (19724, 1066282), (34517, 609304), (39448, 533141), (69034, 304652), (76163, 276136), (138068, 152326)]