21588867

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 32089200

約数和(自身を除く): 10500333

約数列:

[1, 3, 9, 59, 109, 177, 327, 373, 531, 981, 1119, 3357, 6431, 19293, 22007, 40657, 57879, 66021, 121971, 198063, 365913, 2398763, 7196289, 21588867]

約数ペア:

[(1, 21588867), (3, 7196289), (9, 2398763), (59, 365913), (109, 198063), (177, 121971), (327, 66021), (373, 57879), (531, 40657), (981, 22007), (1119, 19293), (3357, 6431)]