21000455451

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1192327}}^1$

素因数の和:1192455

約数の個数: 24

約数和(自身を含む): 32240549120

約数和(自身を除く): 11240093669

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1957, 5871, 17613, 1192327, 3576981, 10730943, 22654213, 67962639, 122809681, 203887917, 368429043, 1105287129, 2333383939, 7000151817, 21000455451]

約数ペア:

[(1, 21000455451), (3, 7000151817), (9, 2333383939), (19, 1105287129), (57, 368429043), (103, 203887917), (171, 122809681), (309, 67962639), (927, 22654213), (1957, 10730943), (5871, 3576981), (17613, 1192327)]