21148164

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15877}}^1$

素因数の和:15924

約数の個数: 36

約数和(自身を含む): 54906124

約数和(自身を除く): 33757960

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15877, 31754, 47631, 63508, 95262, 142893, 190524, 285786, 571572, 587449, 1174898, 1762347, 2349796, 3524694, 5287041, 7049388, 10574082, 21148164]

約数ペア:

[(1, 21148164), (2, 10574082), (3, 7049388), (4, 5287041), (6, 3524694), (9, 2349796), (12, 1762347), (18, 1174898), (36, 587449), (37, 571572), (74, 285786), (111, 190524), (148, 142893), (222, 95262), (333, 63508), (444, 47631), (666, 31754), (1332, 15877)]