21057662

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 15139618

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 881, 1258, 1406, 1762, 11951, 14977, 16739, 23902, 29954, 32597, 33478, 65194, 284563, 554149, 569126, 619343, 1108298, 1238686, 10528831, 21057662]

約数ペア:

[(1, 21057662), (2, 10528831), (17, 1238686), (19, 1108298), (34, 619343), (37, 569126), (38, 554149), (74, 284563), (323, 65194), (629, 33478), (646, 32597), (703, 29954), (881, 23902), (1258, 16739), (1406, 14977), (1762, 11951)]