21881035

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 29398320

約数和(自身を除く): 7517285

約数列:

[1, 5, 11, 55, 59, 121, 295, 605, 613, 649, 3065, 3245, 6743, 7139, 33715, 35695, 36167, 74173, 180835, 370865, 397837, 1989185, 4376207, 21881035]

約数ペア:

[(1, 21881035), (5, 4376207), (11, 1989185), (55, 397837), (59, 370865), (121, 180835), (295, 74173), (605, 36167), (613, 35695), (649, 33715), (3065, 7139), (3245, 6743)]