21945366

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 49546224

約数和(自身を除く): 27600858

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 83, 111, 166, 222, 249, 333, 397, 498, 666, 747, 794, 1191, 1494, 2382, 3071, 3573, 6142, 7146, 9213, 14689, 18426, 27639, 29378, 32951, 44067, 55278, 65902, 88134, 98853, 132201, 197706, 264402, 296559, 593118, 1219187, 2438374, 3657561, 7315122, 10972683, 21945366]

約数ペア:

[(1, 21945366), (2, 10972683), (3, 7315122), (6, 3657561), (9, 2438374), (18, 1219187), (37, 593118), (74, 296559), (83, 264402), (111, 197706), (166, 132201), (222, 98853), (249, 88134), (333, 65902), (397, 55278), (498, 44067), (666, 32951), (747, 29378), (794, 27639), (1191, 18426), (1494, 14689), (2382, 9213), (3071, 7146), (3573, 6142)]