21298278

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9833}}^1$

素因数の和:9876

約数の個数: 24

約数和(自身を含む): 44961048

約数和(自身を除く): 23662770

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9833, 19666, 29499, 58998, 186827, 373654, 560481, 1120962, 3549713, 7099426, 10649139, 21298278]

約数ペア:

[(1, 21298278), (2, 10649139), (3, 7099426), (6, 3549713), (19, 1120962), (38, 560481), (57, 373654), (114, 186827), (361, 58998), (722, 29499), (1083, 19666), (2166, 9833)]