21218076

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4871}}^1$

素因数の和:4903

約数の個数: 54

約数和(自身を含む): 58965816

約数和(自身を除く): 37747740

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4871, 9742, 14613, 19484, 29226, 43839, 53581, 58452, 87678, 107162, 160743, 175356, 214324, 321486, 482229, 589391, 642972, 964458, 1178782, 1768173, 1928916, 2357564, 3536346, 5304519, 7072692, 10609038, 21218076]

約数ペア:

[(1, 21218076), (2, 10609038), (3, 7072692), (4, 5304519), (6, 3536346), (9, 2357564), (11, 1928916), (12, 1768173), (18, 1178782), (22, 964458), (33, 642972), (36, 589391), (44, 482229), (66, 321486), (99, 214324), (121, 175356), (132, 160743), (198, 107162), (242, 87678), (363, 58452), (396, 53581), (484, 43839), (726, 29226), (1089, 19484), (1452, 14613), (2178, 9742), (4356, 4871)]