21693255

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 36509184

約数和(自身を除く): 14815929

約数列:

[1, 3, 5, 15, 23, 69, 115, 227, 277, 345, 681, 831, 1135, 1385, 3405, 4155, 5221, 6371, 15663, 19113, 26105, 31855, 62879, 78315, 95565, 188637, 314395, 943185, 1446217, 4338651, 7231085, 21693255]

約数ペア:

[(1, 21693255), (3, 7231085), (5, 4338651), (15, 1446217), (23, 943185), (69, 314395), (115, 188637), (227, 95565), (277, 78315), (345, 62879), (681, 31855), (831, 26105), (1135, 19113), (1385, 15663), (3405, 6371), (4155, 5221)]