21549748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5503}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 41610240

約数和(自身を除く): 20060492

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5503, 11006, 22012, 60533, 121066, 242132, 489767, 979534, 1959068, 5387437, 10774874, 21549748]

約数ペア:

[(1, 21549748), (2, 10774874), (4, 5387437), (11, 1959068), (22, 979534), (44, 489767), (89, 242132), (178, 121066), (356, 60533), (979, 22012), (1958, 11006), (3916, 5503)]