21201682

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7643}}^1$

素因数の和:7737

約数の個数: 16

約数和(自身を含む): 33939360

約数和(自身を除く): 12737678

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7643, 15286, 145217, 290434, 557939, 1115878, 10600841, 21201682]

約数ペア:

[(1, 21201682), (2, 10600841), (19, 1115878), (38, 557939), (73, 290434), (146, 145217), (1387, 15286), (2774, 7643)]