21886164

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4787}}^1$

素因数の和:4924

約数の個数: 36

約数和(自身を含む): 55770624

約数和(自身を除く): 33884460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4787, 9574, 14361, 19148, 28722, 43083, 57444, 86166, 172332, 607949, 1215898, 1823847, 2431796, 3647694, 5471541, 7295388, 10943082, 21886164]

約数ペア:

[(1, 21886164), (2, 10943082), (3, 7295388), (4, 5471541), (6, 3647694), (9, 2431796), (12, 1823847), (18, 1215898), (36, 607949), (127, 172332), (254, 86166), (381, 57444), (508, 43083), (762, 28722), (1143, 19148), (1524, 14361), (2286, 9574), (4572, 4787)]